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The process of inspecting, cleansing, and modelling data with the goal of discovering useful information, informing conclusions, and supporting decision-making.

What is the focus of data science?

- a. collection of data
- b. statistical computation
**c. manipulate data efficiently and effectively**- d. organization of data

What is the correct meaning of ADT?

**a. Abstract Data Type**- b. Abstract Data Topography
- c. Adequate Data Type
- d. Adequate Data Tautology

An example of an abstract computer.

**a. Turing machine**- b. Cartographic machine
- c. Adding machine
- d. Cryptographic machine

A network purpoting to describe family memberships.

- network adherence
**network topology**- network tautology
- networking

The difference between the highest and lowest value.

**a. range**- b. mean
- c. variance
- d. deviation

The classification table that XL Stat can display.

- a. square matrix
- b. inverse matrix
**c. confusion matrix**- d. identity matrix

The developer of farmville, a famous game in the internet.

- a. Supercell
- b. Moontoon
- c. Electronic Arts
**d. Zynga Incorporated**

___________ uses artifacts to present data visually.

**a. Data Mining**- b. Statistics Analytics
- c. data visualization
- d. Text Analytics

A network purpoting to describe family memberships.

- a. network area
- b. network facility
- c. network access
**d. network topology**

An array is a good example of _________data structure.

- a. linear
**b. static**- c. dynamic
- d. nonlinear

PAW means____________.

- a. Preliminary Assumption Web
**b. Predictive Analytics World**- c. Predictive Analytics web
- d. Predicting Analytics Web

What programming language doe Orange use?

- a. Fortran
- b. JAVA
- c. Cobol
**d. python**

Who said that "The future is not google-able " ?

- a. Wiliam Harvey
- b. Roland Patil
**c. William Gillason**- d. Dennis Grant

ROC means

- a. Receiving Operator Character
- b. Receiver Operator Characteristics
- c. Receiving Operating Character
**d. Receiver Operating Characteristics**

It refers to the degree of relationship between two variables?

- a. synthesis
- b. regression
- c. analysis
**d. Correlation**

If R={ (3,3), (3,6), (5,5),(5,10),(6.12) is a cartesian product of sets X and Y and x= {3,5,6} then Y=?

- a. {3,5,6}
**b. {3,6}**- c. {5,10,12}
- d. {3,5,6,10,12}

The following are abstract notions EXCEPT

- casualty
**beliefs**- processees
- actions

A matrix that has the same number of rows and columns is called

- a. identity
- b. invertible
**c. square**- d. transpose

The quantification of data into information.

- a. mining
- b. dataology
**c. datafication**- d. analytics

Which of the following statements is TRUE?

- a. Q2=Range
- b. Q2=Mode
- c. Q2=Mean
**d. Q2=median**

Earlier name for data science.

- a. dataloogy
- b. datology
**c. datalogy**- d. dataology

A bell-shaped distribution that is symmetric about a vertical line?

- skewed
- symmetric
- standard
**normal**

He pointed out that until 2003 ,all of mankind had generated just 5 exabytes of data

- a. Eric Smicht
**b. Eric Schmidt**- c. Eric Smith
- d. Eric Smidth

It relates the length of an algorithm’s input to the number of steps it takes.

- a. time flexibility
- b. time elapsed
- c. time series
**d. time complexity**

It expands available data enormously since there is so much more text being generated than numbers.

**a. Text mining**- b. text analysis
- c. data ranking
- d. data mining

In 2,4,4,4,5,5,6,8,9 the range is

- a. 3
- b. 6
- c. 5
**d. 7**

What conditions must be satisfied in the development of a probability function for a discrete random variable? a. must be nonnegative b.sum of the probabilities for each value must be equal to 1. c. may assume any value d.assumes specific values

**a. a and b**- b. b and c
- c. a and c
- d. a and d

The value of X in the regression equation Y= 1.24 X + 6.9 if Y=13.1 is

- a. 3
- b. 6
**c. 5**- d. 4

It is a process of finding the computational complexity of algorithms.

- a. history of algorithms
- b. length of algorithms
**c. analysis of algorithms**- d. analogy of algorithms

Data is NOT information unless we add_________.

- a. volume
- b. depth
**c. analytics**- d. velocity

What is the size of the product of a 5x 6 and a 6x 8 matrices?

**a. 5x 8**- b. 8x5
- c. 5x5
- d. 8x8

It is often used as model of of the number arrivals at a facility in a given period of time.

- a. binomial probability distribution
- b. normal probability distribution
- c. logistic probability distribution
**d. poison probability distribution**

Which of the following pertains to predictive data mining technique?

- a. Prediction
- b. Association
- c. Clustering
**d. Regression**

What is the shape of a normal probability distribution?

**a. bell-shaped**- b. assymetrical
- c. leptokurtic
- d. skewed

Which is not a measure of central tendency?

- a. mode
- b. median
**c. standard deviation**- d. mean

The intersection of the two sets A={ 2,3} B={4,5} is a

**a. null set**- b. singleton
- c. singular
- d. nonsingular

It does NOT require the assumption that the parameters are normally distributed.

- a. mass likehood
- b. densiy likehood
**c. profile likehood**- d. definite likehood

What is KR?

- a. Knowledge Rational
**b. Knowledge Representation**- c. Knowledge Representative
- d. Knowledge Race

If there are 101 scores the median is equal to the _____ranked score.

- a. 55th
- b. 54th
- c. 52nd
**d. 51st**

The integral of all the values of a random variable in a probability density function is equal to______.

- a. zero
**b. One**- c. negative integer
- d. positive integer

Which is NOT a basic representation technology?

**semantic net**- graph
- frame
- logic

it is a perfect software for machine learning.

**a. orange**- b. R-programming
- c. WEKA
- d. Knime

The product of a 2x5 and 5x3 matrices is a ______matrix

- a. 3x5
- b. 5x2
**c. 2x3**- d. 5x5

Which of the following is the transpose of B?

**a**- b
- c
- d

He is someone who asks interesting questions on formal and informal theory.

- a. data analyst
**b. data scientist**- c. data expert
- d. data drive

A data having the same number of occurrence in scores is said to be

- a. trimodal
**b. no mode**- c. unimodal
- d. bimodal

What type of text are processed in Text analytics?

- a. raw
- b. structured
- c. altered
**d. unstructured**

It views the world in terms of attribute -object value triples

- a. semantic nets
- b. frame
**c. rule-based**- d. logic based

Any way to get new expressions from old ones.

- surrogate
- semantic
**inference**- reasoning

The normal distribution with a mean of 0 and standard deviation of 1.

**a. Standard**- b. skewed to the right
- c. kurtic
- d. Skewed

The following are elements in an analytic plan EXCEPT

**a. graphs**- b. analytic models
- c. decision support tools
- d. interlinked data output

What is the process of deriving useful information from text?

- a. Statistics Analytics
- b. Business Intelligence
**c. Text Analytics**- d. Data Mining

KR is a set of __________commitments.

**ontological**- anthropological
- social
- psychological

The number that occurs most frequently is called________.

- a. range
**b. Mode**- c. median
- d. mean

Which is an example of a discrete random variable?

**a. number of books**- b. weight
- c. height
- d. time

If the standard deviation of a distribution is 3, the variance is

- a. 6
- b. 1.5
**c. 9**- d. 1.41

What range of values lie between 3 standard deviations above and below the mean if the mean is 80 and the standard deviation is 3?

- 70-89
- 71-88
**71-89**- 72-89

The classification table that XLSTAT can display

- a. poison matrix
- b. hypergeometric matrix
**c. confusion matrix**- d. logistic matrix

Which of the matrices is singular?

- a. none
**b. A**- c. B
- d. C

Which function provides the value of a function at any particular value of x but does NOT directly give the probability of the random variable?

**a. Probability density**- b. continuous probability
- c. discrete probability
- d. probability mass

Positive correlation means that_______________.

- a. as x increases y remains constant
**b. as x increases y also increases and vice versa**- c. as x increases y decreases
- d. as x decreases y increases

Which is a concatenation of α =babaa β =a^6b^8a which is α β ?

- a. babab^8a
**b. babaaaa^6b^8a**- c. a^6b^8ababba
- d. babaa b^8a

KR means __________________________.

**Knowledge Representation**- Knowledge Replenished
- Knowledge Requisition
- Knowledge Request

Which of the following does not use discrete distribution ?

- a. geometric
- b. hypergeometric
**c. chi=square**- d. negative binomial

The symbol used to indicate strings with no elements.

- a. β
- b. δ
**c. λ**- d. α

Null strings are indicated by

**a. λ**- b. α
- c. γ
- d. β

It expands available data enormously.

**a. text mining**- b. sorting
- c. volume
- d. text

Exabyte means ________bytes

- million million
- trillion trillion
- thousand thousand
**billion billion**

The method used to iteratively find a solution to a multinomial legit model.

- a. Baye’s algorithm
- b. Kun’s alhorithm
- c. Newtonian algorithm
**d. Newton-Raphson algorithm**

Which of the following belong to the GLM?

- a. multivariate
- b. exponential
**c. logistic**- d. quadratic

What is the value when it is 2 standard deviations above the mean in a normal probability distribution?

**a. 65**- b. 60
- c. 70
- d. 55

The following are continuous distributions EXCEPT

**a. geometric**- b. F-test
- c. chi-square
- d. exponential

The person who said that “ The future is not google-able”.

- a. Eric Schmidth
**b. William Gibson**- c. D J Patil
- d. Georg cantor

What range of values 3 SD below and above the mean in a normal distribution if the mean is 10 and standard deviation is 2?

- 5-15
**4-16**- 8-14
- 10-14

The score NOT easily affected by extreme values.

- a. mode
**b. Median**- c. mean
- d. range

It relates the length of an algorithm to the number of storage location it uses.

- a. space analysis
- b. space covered
- c. space flexibility
**d. space complexity**

KR as a _________is a substitute for the thing itself.

- semantic
- pragmatic
**surrogate**- ontological

It has the goal of discovering useful information to support decision making.

**a. data analysis**- b. data visualization
- c. database
- d. data mining

The normal distribution with a mean of 0 and standard deviation of 1.

- Skewed
- kurtic
- skewed to the right
**Standard**

_______________ is a data structure that every component has a unique processor and succesor.

- a. dynamic
**b. linear**- c. static
- d. nonlinear

It sees the medical world as made of empirical associations connecting symptoms to diseases.

- a. IOP
- b. KR
**c. MYCIN**- d. INTERNIST

The following are the 3V's of big data EXCEPT

- a. variety
- b. volume
- c. velocity
**d. veracity**

It involves a commitment in viewing the world in terms of individual entities and relations between them.

- a. rule-based
- b. semantic nets
- c. frame
**d. logic**

A perfect positive correlation coefficient is equal to

- a. 0
**b. 1**- c. -1
- d. 2

If R= { (3,3), (3,6), (5,5),(5,10),(6.12)} is a binary relation in R which the domain is

- a. {3,5,6,10,12}
- b. {5,10,12}
**c. {3,5,6}**- d. {3,6}

The following are artifacts used in data analysis EXCEPT:

- a. pivot tables
**b. ANOVA**- c. statistical tools
- d. graphs

The equation of the _______line predicts the value of Y given X.

**a. Regression**- b. prediction
- c. analytic
- d. correlation

It is a theoretical classification that estimates and anticipates the increase in running time (or run-

- a. Run-time behaviour
- b. Run-time cost
- c. Run-time average
**d. Run-time analysis**

The following are discrete distributions EXCEPT

- a. negative binomial
- b. geometric
**c. chi-square**- d. hypergeometric

3A + B =

- d
**a**- c
- b

The process of inspecting,cleansing,transforming and modelling data with the goal of discovering useful information.

- a. data statistics
**b. data analysis**- c. Data mining
- d. data retriever

The most common functions used to link probability to the explanatory variables are the LOGIT model and ________model.

**a. PROBIT**- b. PROBET
- c. LEGIT
- d. LOGET

The term "analysis of algorithms" was coined by

- a. Ronald Kunt
- b. Donald Knot
- c. Ronald Knut
**d. Donald Knuth**

Which is usually denoted as n in algorithms?

- a. sample size
- b. population size
**c. Input size**- d. output size

Which of the following is used as a method for Correlation?

- a. Chi-square
**b. Pearson r**- c. f-test
- d. Kendal tau

The sets A= { x/x is a distinct letter in the word "MATHEMATICS"} and B={x/x is a distinct letter in the word "STATISTICS"} , the two sets are

- a. disjoint
**b. joint**- c. equal
- d. equivalent

A negative correlation exists when___________.

- a. x increases y increases
**b. x increases y decreases**- c. x decreases y decreases
- d. x and y remains constant

It extracts meaningful numerical indices from information and make it available to statistical and machine learning.

- a. data visualization
**b. Text analytics**- c. data mining
- d. business intelligence

The following are softwares used in data mining EXCEPT

- a. Weka
- b. Rapid miner
**c. SPSS**- d. Orange

Classification table is also called ________

**a. confusion matrix**- b. confidential matrix
- c. conditional matrix
- d. criteria matrix

It corresponds to the case where the dependent variable has more than 2 categories.

- a. trinomial logit model
- b. binomial logit model
**c. multinomial logit model**- d. polynomial logit model

What is a great example of data product?

**a. google maps**- b. google navigation
- c. google drive
- d. google navigation

Addition and subtraction of matrices only is possible if two are more matrices.

**a. Have same sizes.**- b. Have same number of columns.
- c. Are square matrices.
- d. Have same number of rows

The standard deviation for the data in 2,4,4,4,5,5,6,8,9

- a. 2.15
- b. 2.16
- c. 2.18
**d. 2.17**

Which is NOT a basic representation technologies?

- a. rules
**b. graph**- c. frame
- d. logic

It refers to well based theories and sound business judgement.

- a. Data visualization
- b. Data Mining
- c. Data Analytics
**d. Data Science**

How many bytes of data are generated every two days in today's world?

- a. 5 terabytes
**b. 5 exabytes**- c. 5 gigabytes
- 5 gigabytes
- d. 5 megabytes

The creation of a data product contains 3 components EXCEPT

- a. process
- b. technical expertise
- c. data
**d. time**

What is the earlier name for data science?

- a. datology
- b. datatology
- c. dataology
**d. datalogy**

Which is primarily written in C and in Fortran?

- a. WEKA
- b. Rapid miner
- c. IBM Cognos
**d. R-programming**

Two of the most widely used discrete probability distribution.

- a. logic and exponential
- b. binomial and logic
- c. poisson and logic
**d. poisson and binomial**

The proportion of a well defined positive event is called _________________.

- a. probability
- b. specificity
- c. anonimity
**d. sensitivity**

AUC means___________.

- a. Artificial Under Cover
- b. Area Under Coverage
- c. Artificial Unit Curve
**d. Area Under the Curve**

It is a free software programming language.

- a. Orange
- b. WEKA
**c. R-programming**- d. Knime

The proportion of well defined negative events is called ________________.

- a. regression
- b. sensitivity
**c. specificity**- d. probability

Which is NOT a correct correlation Coefficient?

- a. 0.56
**b. 1.2**- c. -0,43
- d. 0.9

It is a theoretical classification that estimates and anticipates the increase increase in running time for algorithms.

**a. run time analysis**- b. run turn analysis
- c. running turn analysis
- d. running time analysis

LR means ________________________.

- a. Logistic Reinforcement
**b. Linear Regression**- c. Logistic Regression
- d. Linear Relativity

If in a distribution all scores are distinct then_____________.

**a. there is no mode.**- b. the mean is higher than the mode
- c. it is skewed.
- d. it is normal

A vegetable distributor knows that during the month of August ,the weights of tomatoes are normally distributed with a mean of 0.61 lb and a standard deviation of 0.15 lb. What percent of the tomatoes weigh less than 0.71 lb?

- a. 85
- b. 95
- c. 97
**d. 84**

It transforms data into actionable intelligence for business purposes.

- a. Text Analytics
- b. Data Mining
**c. Business Intelligence**- d. Statistics Analytics

A survey of 100 consumers said that the price charged for a kilo of rice could be approximated by a normal distribution with a mean of 35 and a standard deviation of 4.How many are less than 39?

- 80
- 78
- 82
**84**

Displays the performance of a model and enables a comparison to be made with other models.

- a. DAC
- b. GLM
- c. SBC
**d. ROC curve**

Which of the following is a predictive data mining technique?

- a. Prediction
- b. tracking pattern
- c. association
**d. regression**

The following are large inputs EXCEPT

**a. Big beta notation**- b. big theta notation
- c. Big O notation
- d. Big omega notation

Refers to using tools of statistics to present data visually.

- a. Data mining
**b. data visualization**- c. data analysis
- d. data statistics

The following are distinct roles that KR plays EXCEPT

**Medium for pragmatically diligent interpretation**- Surrogate
- Medium of human expression
- Set of ontological commitments

It is used to enable an entity to determine consequences by thinking rather than acting.

- Artificial Intelligence
- Intelligent reasoning
- Knowledge Channel
**Knowledge Representation**

Primarily used for data pre-processing.

**a. Knime**- b. WEKA
- c. Orange
- d. Rapid miner

The following processes are used in data analysis EXCEPT:

- a. transforming
**b. collecting**- c. inspecting
- d. cleansing

IOT means

**a. Internet of things**- b. Internet of time
- c. Interconnction of things
- d. Interaction of time

Which is NOT a KR technology?

- semantic nets
- logic
- frames
**roles**

The function describing the performance of an algorithm is usually an upper bound determined from ______inputs.

- a. best case
- b. better case
**c. worst case**- d. average case

What is the value of the standard deviation in a standard normal distribution?

**1**- 0
- 2
- 5

What is a data structure that has a fixed size?

**a. static**- b. linear
- c. nonlinear
- d. dynamic

Example of a data product.

- a. google search
- b. google drive
- c. google games
**d. google map**

What does ROC mean?

- a. Receiver Operating Character
- b. Receptor Operating Characteristics
**c. Receiver Operating Characteristics**- d. Receiver Operating Channel

The most widely used continuous probability distribution.

**a. Normal**- b. discrete
- c. uniform
- d. standard

An algorithm is said to be efficient when its function values are

- a. sufficient
**b. small**- c. big
- d. enough

If there are 103 scores the median is equal to the _____ranked score.

- a. 51st
- b. 55th
- c. 54th
**d. 52nd**

It sees a set of prototypes in particular to be matched to cases at hand

**a. INTERNIST**- b. MYCIN
- c. ONTOLOGY
- d. IOP

In the equation of the regression line represented by Y= 1.24 X + 6.9 if X=2 then Y =?

- a. 9.21
**b. 9.38**- c. 9.30
- d. 9.02

Algorithm analysis is an important part of a broader_____________.

- a. computed complex theory
- b. computerized complexity theory
- c. computational complex theorem
**d. computational complexity theory**

The expected value or mean of a random variable in discrete case.

- a. probability logit function
- b. probability density distribution
- c. probability dense function
**d. probability mass distribution**

It involves a commitment in viewing the world in terms of individual entities and relations.

**rules**- logic
- frame
- semantic nets

The score NOT easily affected by extreme values.

- a. range
- b. mean
**c. Median**- d. mode

A bell shaped curve that is symmetric about a vertical line.

- skewed
- kurtic
**normal distribution**- standard distribution

What is the size of the product of a 5x 6 and a 6x 8 matrices?

**a. 5x 8**- b. 8x8
- c. 5x5
- d. 8x5

The area of the standard normal curve to the right of z=0.82 is _______.

- 0.294
- 209
- 0.295
**0.206**

It views the world in thinking of prototypical objects.

**frame**- rule
- logic
- semantic net

GLM means_____________.

- a. Generalized Line Mode
- b. General Line Model
- c. Generalized Linear Mode
**d. Generalized Linear Model**

The constant multiplicative factor in which algorithms are related are_______ constants.

- a. alternative
- b. rational
**c. hidden**- d. additive

There are how many data mining techniques?

- a. 6
**b. 7**- c. 5
- d. 8

It includes identifying groups of data records

**a. cluster analysis**- b. data analysis
- c. database
- d. data mining

The explosion of _______data is the main reason why every 2 days 5 exabytes of data are generated.

- a. gargantuan
- b. reaction
- c. transaction
**d. interaction**

The following provided inspirations of what constitutes intelligent reasoning EXCEPT

- Statistics
- Psychology
**Sociology**- Biology

What is the value of the mean and standard deviation in a normal probability density function?

- a. Mean =10 s=1
**b. mean-50 s=5**- c. Mean =50 s=10
- d. Mean =10 s=5

It enables the performance of a model and enables a comparison to be made with other models.

**a. ROC**- b. GML
- c. LR
- d. IOT

Empirical rule for a normal distribution that is 3 standard deviations above and below the mean covers ______% of the data.

**99.7**- 92
- 98
- 95

A frequently used method as it enables binary variables, sum polytomous variable to be modelled.

**a. logistic regression**- b. binomial regression
- c. linear regression
- d. exponential regression

Which belong to the GLM family?

- a. exponential only
- b. linear only
**c. logistic and linear**- d. logistic only

It is a method for discovering patterns in large data sets.

- a. Business Intelligence
- b. Text Analytics
- c. Statistics Analytics
**d. Data Mining**

It partitions a ranked data into four equal groups.

- a. median
- b. mean
**c. quartile**- d. percentile

The score easily affected by extreme values is the _________.

**a. Mean**- b. median
- c. range
- d. mode

Data involving two variables are called _________data.

**a. bivariate**- b. dichotomy
- c. dichotomal
- d. multivariate

Which of the following is a set equal to the distinct letters of the word "MISSISSIPI"?

- a. {I,L,M,P}
- b. {I.M,S}
- c. {I,M,S,P}
**d. {I,M,P}**

On an examination given to 1000 students, Jef’s score of 80 was higher than the score of 480 students who took the exam. What is the percentile for Jef’s score?

- a. 50th
- b. 65th
**c. 48th**- d. 60th

It is used in organization’s strategic and tactical business decision making.

- a. data mining
- b. data visualization
- c. text analytics
**d. business intelligence**

Empirical rule for a normal distribution that is 2 standard deviations above and below the mean is ________% of data.

- 80
**95**- 90
- 85

A score of 50 lies 2 standard deviations above a mean of 30.What is the value of the standard deviation?

- 15
**10**- 20
- 25

The creation of data from varied sources and its qualification into information.

- a. datacation
- b. datafition
**c. datafication**- d. datafitration

Time needed to execute an algorithm is a function of its________.

**a. input**- b. output
- c. usage
- d. reaction

A graph that is used to indicate frequency distribution.

- a. bar graph
- b. pie graph
**c. histogram**- d. ogive

A model that corresponds to the case where the dependent variable has more than two categories.

- a. logistic model
- b. multinomial legit model
- c. hypergeometric model
**d. multinomial logit model**

It views the world in terms of attributes object value triples.

**rule based**- logic
- semantic net
- frame

The method that does NOT require t he assumption that the parameters are normally distributed.

- a. profile
- b. profile link
**c. profile likehood**- d. identity likehood

Which is NOT a component of KR?

- fundamental conception
- set of inferences that represent sactions
**set of inferences that it recommends**- it adheres to the function

Which of the following data mining techniques is predictive?

- a. clustering
- b. outlier detection
**c. classification**- d. tracking pattern

A distribution where large distribution are displayed.

- histogram
- Relative frequency distribution
- ogive
**Grouped frequency distribution**

Another term for text analytics.

- a. text miner
**b. text mining**- c. text examiner
- d. text analysis

Which pair belongs to the same family of models called GLM ? i) logistic ii) linear regression iii.) multinomial regression iv)probability

- a. iii and iv
- b. ii and iii
- c. I and iv
**d. I and ii**

It is a process that goes on internally while most things it wishes about exists only externally.

- inference
- logic
**reasoning**- actions

It is used for prototyping in Rapid miner.

- a. radoop
**b. studio**- c. loop
- d. server

Which of the following is NOT a goal in data mining?

- a. evaluating data
- b. aids in business decision making
- c. discovering useful information
**d. collecting data**

The _______value is the weighted average of the value the random variable may assume.

- a. finite
- b. infinite
**c. Expected**- d. middle

ROC comes from ______theory.

- a. signal attraction
- b. signal execution
- c. signal detraction
**d. signal detection**

Data involving two variables.

- a. bichotomous
- b. divariate
**c. bivariate**- d. binary

It is a powerful tool that shows the network of data.

- a. WEKA
**b. Knime**- c. Orange
- d. Rapid Miner

It refers to a data structure that grows and shrinks at execution time.

**a. dynamic**- b. linear
- c. static
- d. nonlinear

Which is Not an interaction data?

- a. geo-location
- b. RFID data
**c. data base**- d. browser action

_____________ is rated as the number one business analytics software.

- a. WEKA
- b. Orange
**c. Rapid miner**- d. Knime

Which of the following is TRUE when a distribution is normal?

**Mean=Median=Mode**- Mean >Mode >Median
- Mean < Median <Mode
- Mean > Median >Mode

A vegetable distributor knows that during the month of August ,the weights of tomatoes are normally distributed with a mean of 0.61 lb and a standard deviation of 0.15 lb. How many can be expected to weigh between 0.31 to 0.91 in a shipment of 4500 tomatoes.

- a. 4000
**b. 4275**- c. 4215
- d. 4100

It is a language that we say things about the world.

**Medium of human expression**- Medium of ontological commitments
- Medium of human experiences
- Medium of pragmatic evidences

Which of the following does NOT use continuous distribution?

- a. F-test
- b. chi-square
**c. hypergeometric**- d. gamma

A positive z-score means that the score is

- a. One standard deviation higher than the mean
**b. Higher than the mean**- c. Equal to the mean
- d. Lower than the mean

3A + B

- a. B
- b. C
- c. D
**d. A**

What does GLM means?

**a. Generalized Linear model**- b. Generalized Linear Mode
- c. General Line Mode
- d. General Linear Model

The following are data mining techniques EXCEPT:

- a. Clustering
- b. Classification
**c. Collection**- d. Regression

A new phenomenon for the explosion of _________data

- a. transient
- b. transaction
**c. interaction**- d. communication

Which of the following type of text is processed in text analytics?

- a. unorganized
- b. structured
**c. unstructured**- d. raw

The goal is to transform raw data into understandable business information.

- a. business intelligence
- b. data visualization
- c. text analytics
**d. Data mining**

It is popular among financial data analysts.

- a. WEKA
- b. orange
**c. Knime**- d. R-programming

What technique can be used to measure an algorithm's running time?

**a. software profiling**- b. software operation
- c. software analysis
- d. software behavior

It is a collection of machine learning algorithms for data mining task.

- a. Knime
- b. Rapid miner
- c. Orange
**d. WEKA**

The major outcome of correlation.

**a. prediction**- b. interpretation
- c. analysis
- d. critical thinking

The two sets If A={ 2,3} B={4,5} are said to be

**a. disjoint**- b. equal
- c. adjoint
- d. joint

If the standard deviation of a distribution is 3.5, the variance is

- a. 12.50
- b. 14.50
**c. 12.25**- d. 15.25

Which is NOT a value of r ?

- a. -0.05
**b. 1.02**- c. 0.98
- d. 0.03

It makes complex data more understandable and usable.

**a. data visualization**- b. data mining
- c. business intelligence
- d. text analytics

The following provided inspirations of what constitute intelligent reasoning EXCEPT

- a. economics
**b. philosophy**- c. psychology
- d. mathematical logic

To estimate the parameters of the model ,the ________function is maximized.

- a. multinomial
- b. sensiivity
- c. likehood
- d. specificity

The middle-most value in a ranked list of numbers.

- a. mean
**b. median**- c. mode
- d. percentile

It is a numerical function of the outcome of a statistical experiment.

- a. variable
- b. constant
- c. dense variable
**d. random variable**

The distribution 2,4,4,4,5,5,6,8,9 is said to be

- a. multimodal
- b. bimodal
- c. trimodal
**d. unimodal**

Which of the following is NOT a data mining tool?

**a. Python**- b. Orange
- c. WEKA
- d. Knime

The proportion of a well-defined classified positive events.

- a. clarity
**b. sensitivity**- c. volume
- d. velocity

Matrix B is

- a. singular
- b. transpose
**c. invertible**- d. inverse

In α =babaa β =a^6b^5bb, what is the length of the concatenation of the two strings?

- a. 20
**b. 18**- c. 15
- d. 16

It allows you to see which value of the explanatory variable corresponds a given probability success.

- a. ogive
**b. probability analysis table**- c. histogram
- d. probability table

It assigns a cost to every machine operation.

**a. uniform cost model**- b. exponential cost model
- c. variable cost model
- d. logarithmic cost model

Another term for an empty set.

- a. singleton
**b. null**- c. zero
- d. cipher

Empirical rule for a normal distribution lie ______% of data with 1 standard deviation below and above the mean.

- 64
- 75
- 79
**68**

Running time for algorithms is usually measured in

- a. microseconds
- b. picoseconds
**c. nanoseconds**- d. miiliseconds

What programming language is used in Rapid miner?

- a. Python
- b. Cobol
**c. Java**- d. Pascal

The creation of data from varied sources and its quantification into information.

- a. datology
- b. datalization
**c. Datafication**- d. dataology

Matrix B is

**a. invertible**- b. singular
- c. transpose
- d. inverse

It sees a set of prototypes in particular prototypical diseases to be matched against the case at hand.

- LOGIC
- MYCIN
- SEMANTIC NETS
**INTERNIST**

What is the value of the mean in a normal probability density function?

**a. 1**- b. 10
- c. 50
- d. 5

What is the value of the mean if a score of 110 is 3 standard deviation above the mean?

- 90
- 85
- 91
**95**

What is an organized collection of information and set of information used to manage that operation?

- a. data science
- b. ML
- c. data structure
**d. ADT**

Which of the following is a continuous distribution?

- a. negative binomial
- b. hypergeometric
- c. geometric
**d. Chi-square**

What increases data volume?

**a. velocity**- b. viscosity
- c. vastness
- d. variety

He said that “ In mathematics the art of proposing a question must be held of higher value than solving it”.

- a. Francis Galton
- b. Eric Schmidt
- c. William Gibson
**d. Georg Cantor**

If A={ 2,3} B={4,5},which of the following is a Cartesian product of the two sets?

- a. { (3,4) (3,5) (2,4 ) {2,2) }
- b. { (3,4) (3,3) (2,4 ) {2,5) }
**c. { (3,4) (3,5) (2,4 ) {2,5) }**- d. { (3,3) (3,5) (2,4 ) {2,5) }

SBC means_________

**a. Schwar’s Bayesian Criterion**- b. Schmidt’s Bayesian Criterion

What is the mean for a standard normal distribution?

- 5
- 1
- 2
- 0
**0 (zero)**

Which of the following is a discrete distribution?

- a. gamma
**b. Hypergeometric**- c. exponential
- d. chi-square

What is value of quartile 3 in 2,4,4,4,5,5,6,8,9 ?

- a. 6
- b. 8
- c. 5
**d. 7**

A special type of function where the domain is a set of consecutive integers.

- a. series
- b. string
- c. regression
**d. sequence**

The most commonly used continuous probability distribution.

- a. standard
**b. normal**- c. multinomial
- d. linear

ML means:

- a. Mobile Learning
- b. Math Learning
**c. Machine Learning**- d. Machine Landscaping

A positive z-score means that the score is

**a. Higher than the mean**- b. Equal to the mean
- c. Lower than the mean
- d. One standard deviation higher than the mean

The method of correlation used for ranked score is ________.

**a. Spearman rho**- b. Pearson r
- c. Chi-square
- d. Kendal tau

It includes identifying groups of data records.

- a. database
- b. data mining
- c. data analysis
**d. cluster analysis**

On an examination given to 1000 students, Jef’s score of 80 was higher than the score of 480 students who took the exam. What is the percentile for Jef’s score?

- a. 65th
**b. 48th**- c. 60th
- d. 50th

It shows a high correlation between the incidence of flu and searches about flu on google.

- a. Google Flu Reactions
**b. Google Flu trends**- c. Google Flu Viral
- d. Google Flu Searches

The range in R={ (3,3), (3,6), (5,5),(5,10),(6.12)} is a binary relation in R is

- a. {3,5,6}
- b. {3,6}
- c. {5,10,12}
**d. {3,5,6,10,12}**

“ All models are wrong but some are useful “

- a. Georg cantor
- b. William Gibson
**c. George E. P. Box**- d. DJ Patil

These are the data skills that a good data scientist need to cultivate EXCEPT

- a. Math and Stats
**b. speaking**- c. Communication
- d. coding

It is a numerical description of the outcome of a statistical experiment.

- a. continuous variable
**b. random variable**- c. numerical variable
- d. discrete variable

It list the percent of data in a distribution.

- a. relative distribution
- b. frequency distribution
- c. percent distribution
**d. relative frequency distribution**

He coined the term "data scientist"

- a. G.Cantor
- b. J Pastor
- c. N.R. Drops
**d. DJ Patil**

Which pair belongs to the same family of models called GLM? i) logistic ii) linear regression iii.) multinomial regression iv)probability

- a. iii and iv
- b. I and iv
- c. ii and iii
**d. I and ii**

The most common function used to link probability to explanatory variables.

- a. Probit model
- b. Proba model
**c. logit model**- d. legit model

It is a module in rapid miner that considers the workflow.

- a. radoop
**b. studio**- c. server
- d. loop

Lists the percent of data in each distribution.

**relative frequency distribution**- ogive
- histogram
- grouped frequency distribution

It is a variety of formal calculation typically deduction.

- Artificial Intelligence
**GLM**- Intelligent Reasoning
- KR

The method that does not require the assumption that parameters are normally distributed.

**a. profile likehood**- b. feedback
- c. profile likeness
- d. parameter range

A score of 3 in 2,4,4,4,5,5,6,8,9 is

**a. 1.02 below the mean**- b. 1.2 above the mean
- c. 1.18 below the mean
- d. 1.92 above the mean

The most frequent score.

- a. mean
- b. standard deviation
**c. mode**- d. median

According to Hilary Mason which is NOT a skill that a good data scientist must cultivate.

- a. math and stat
**b. critical thinking**- c. coding
- d. communication

_____________ includes identifying groups of data record.

- a. Text Analytics
**b. Cluster analysis**- c. Statistics Analytics
- d. Business Intelligence

Which is NOT a characteristic feature of data structure?

- a. It defines as to how components relate to each other.
- b. Set of operations is on one or more component items.
- c. It contains component data
**d. It contains a fixed structure.**

Which of the following is NOT a method used in data analysis?

**a. Statistics Analytics**- b. Business Intelligence
- c. Data Mining
- d. Text Analytics

It is often used as a model of the number of arrivals at a facility in a given period of time.

- a. multinomial probability distribution
**b. poison probability distribution**- c. binomial probability distribution
- d. logic probability distribution

All representations are ________.

- stable
- perfect
- unstable
**imperfect**

Which of the following algorithms is the fastest?

- a. platform search
- b. binary search
**c. linear search**- d. software search

If A= { x/x is a distinct letter in the word "MATHEMATICS"} AND B={x/x is a distinct letter in the word "STATISTICS"} then their intersection is

- a. {C,I,S}
**b. {A,C,I,S,T}**- c. {A,C,I,S}
- d. .{A,C,S,}

What percent of data will lie within 2 standard deviation of the mean?

- 68
- 90
**95**- 99

He coined the term “analysis of algorithms”.

**a. Donald Knuth**- b. David Knut
- c. David Knuth
- d. Donald Knoth

It provides the height or the value of the function at any particular value of x

**a. probability density function**- b. probability dense function
- c. probability mass function
- d. probability massive function

A distribution with 4 modes is said to be a _________distribution.

- a. bimodal
**b. multimodal**- c. unimodal
- d. trimodal

It offers a way to examine trends from collected data and derive insights from it.

- a. Text analytics
**b. Business Intelligence**- c. data visualization
- d. Data mining

He proposed the use of a penalized likehood function.

**a. Firth**- b. Herth
- c. Waiz
- d. Gombartz

A survey of 100 consumers said that the price charged for a kilo of rice could be approximated by a normal distribution with a mean of 35 and a standard deviation of 4.How many of them lie between 27 and 43?

- 90
**95**- 92
- 88

The proportion of a well-classified negative event.

- a. clarity
- b. identity
**c. specificity**- d. sensitivity

Another term for variability.

**a. dispersion**- b. mean
- c. frequent
- d. center

Which of the following is TRUE?

**a. A + B = B+ A**- b. BC=CB
- c. AB=BA
- d. AB is not possible

It refers to a frequently used method as it enables binary or polytomous variables to be modelled.

- a. exponential regression
- b. Multinomial regression.
**c. logistic regression**- d. linear regression

As of 2014,there are _______million of tweets a day.

- a. 400
- b. 200
**c. 500**- d. 300

It is used to discover patterns in large data sets

- a. data analysis
**b. Data mining**- c. data retriever
- d. data statistics

It is a variety of formal calculation typically deduction.

- a. Intelligent Ratio
- b. Intelligence Rationing
**c. Intelligent Reasoning**- d. Intelligence Ratio

Which of the following is NOT a module in rapid Miner?

- a. radoop
- b. studio
**c. loop**- d. server

What is the value of the mean if a score of 110 is 3 standard deviation above the mean?

- a. 90
**b. 95**- c. 85
- d. 90

A bell-shaped distribution that is symmetric about a vertical line.

**a. normal**- b. standard
- c. kurtic
- d. skewed

Which is NOT a measure of variability?

- a. standard deviation
- b. variance
**c. quartile**- d. range

It is a perfect software which is written in Python computing language.

- a. Rapid miner
- b. WEKA
**c. Orange**- d. Knime

Which of the following is TRUE?

- a. AB=BA
- b. BC=CB
- c. AB is not possible
**d. A + B = B+ A**

Algorithms are independent of its

- a. operation
**b. platform**- c. time
- d. behaviour

A vegetable distributor knows that during the month of August ,the weights of tomatoes are normally distributed with a mean of 0.61 lb and a standard deviation of 0.15 lb. How many can be expected to weigh more than 0.31 lb in a shipment of 6000 tomatoes.

**a. 150**- b. 200
- c. 100
- d. 120

A graph used to indicate intervals in a frequency distribution is refereed to as a______________.

- pie graph
**histogram**- ogive
- bar graph

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