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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.

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**

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

Matrix B is

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

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

Classification table is also called ________

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

Refers to using tools of statistics to present data visually.

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

KR as a _________is a substitute for the thing itself.

- semantic
- pragmatic
**surrogate**- ontological

The following are large inputs EXCEPT

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

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 constant multiplicative factor in which algorithms are related are_______ constants.

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

Example of a data product.

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

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

The number that occurs most frequently is called________.

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

IOT means

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

What is the earlier name for data science?

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

3A + B

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

The following are abstract notions EXCEPT

- casualty
**beliefs**- processees
- actions

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}**

It is used for prototyping in Rapid miner.

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

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

It expands available data enormously.

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

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**

The proportion of a well-classified negative event.

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

The score NOT easily affected by extreme values.

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

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**

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

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

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

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

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

The following are discrete distributions EXCEPT

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

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

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

The following provided inspirations of what constitutes intelligent reasoning EXCEPT

- Statistics
- Psychology
**Sociology**- Biology

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

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

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

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

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**

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

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 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**

A network purpoting to describe family memberships.

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

Which is usually denoted as n in algorithms?

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

What increases data volume?

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

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

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

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

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

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

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

Primarily used for data pre-processing.

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

Which of the matrices is singular?

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

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

Which is NOT a basic representation technologies?

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

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 most common function used to link probability to explanatory variables.

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

ML means:

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

The proportion of well defined negative events is called ________________.

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

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

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

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

The classification table that XL Stat can display.

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

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

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

Earlier name for data science.

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

The following processes are used in data analysis EXCEPT:

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

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**

it is a perfect software for machine learning.

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

Which of the following is the transpose of B?

**a**- b
- c
- d

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

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

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}

Which of the following data mining techniques is predictive?

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

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

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

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

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

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

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

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

Which of the following pertains to predictive data mining technique?

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

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

Null strings are indicated by

**a. λ**- b. α
- c. γ
- d. β

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

- 68
- 90
**95**- 99

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

Which is NOT a correct correlation Coefficient?

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

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

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

The following are continuous distributions EXCEPT

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

It assigns a cost to every machine operation.

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

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

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

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 the shape of a normal probability distribution?

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

Which is Not an interaction data?

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

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

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

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**

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**

There are how many data mining techniques?

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

A perfect positive correlation coefficient is equal to

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

It is a free software programming language.

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

The following are softwares used in data mining EXCEPT

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

PAW means____________.

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

Data involving two variables are called _________data.

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

Data is NOT information unless we add_________.

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

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 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

It is a variety of formal calculation typically deduction.

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

A distribution where large distribution are displayed.

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

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

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**

What programming language is used in Rapid miner?

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

It includes identifying groups of data records

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

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

- skewed
- symmetric
- standard
**normal**

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

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

Which of the following does not use discrete distribution ?

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

Which is NOT a KR technology?

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

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 a variety of formal calculation typically deduction.

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

Which is not a measure of central tendency?

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

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

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

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

The symbol used to indicate strings with no elements.

- a. β
- b. δ
**c. λ**- d. α

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**

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

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

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

- 80
**95**- 90
- 85

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

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

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

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**

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

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

An array is a good example of _________data structure.

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

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

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

The following are artifacts used in data analysis EXCEPT:

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

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

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

A new phenomenon for the explosion of _________data

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

It transforms data into actionable intelligence for business purposes.

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

The score easily affected by extreme values is the _________.

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

What is the mean for a standard normal distribution?

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

Which is NOT a measure of variability?

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

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**

Which of the following is a continuous distribution?

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

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

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

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

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

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

A graph that is used to indicate frequency distribution.

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

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

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

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

Lists the percent of data in each distribution.

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

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

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

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

It refers to the degree of relationship between two variables?

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

Which is NOT a value of r ?

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

The creation of a data product contains 3 components EXCEPT

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

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

All representations are ________.

- stable
- perfect
- unstable
**imperfect**

The following are elements in an analytic plan EXCEPT

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

Which is an example of a discrete random variable?

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

What does ROC mean?

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

Which of the following is TRUE?

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

Which is primarily written in C and in Fortran?

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

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

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

LR means ________________________.

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

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

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

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

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

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**

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

**1**- 0
- 2
- 5

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**

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

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

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**

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

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

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

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

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,}

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

Which of the following is TRUE?

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

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**

The following provided inspirations of what constitute intelligent reasoning EXCEPT

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

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

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

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

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

It views the world in thinking of prototypical objects.

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

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**

He coined the term “analysis of algorithms”.

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

He coined the term "data scientist"

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

What programming language doe Orange use?

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

He proposed the use of a penalized likehood function.

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

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

Which of the following does NOT use continuous distribution?

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

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

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

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

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

AUC means___________.

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

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

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

The most widely used continuous probability distribution.

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

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

The most frequent score.

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

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

- inference
- logic
**reasoning**- actions

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

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

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

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

Running time for algorithms is usually measured in

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

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

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

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

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

It list the percent of data in a distribution.

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

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

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

Which of the following belong to the GLM?

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

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

- 64
- 75
- 79
**68**

What is KR?

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

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

It is popular among financial data analysts.

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

An example of an abstract computer.

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

What is a great example of data product?

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

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

The term "analysis of algorithms" was coined by

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

_____________ is rated as the number one business analytics software.

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

It is used to discover patterns in large data sets

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

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**

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

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

Exabyte means ________bytes

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

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

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

___________ uses artifacts to present data visually.

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

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 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 score NOT easily affected by extreme values.

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

The most commonly used continuous probability distribution.

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

Which of the following algorithms is the fastest?

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

Another term for an empty set.

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

SBC means_________

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

What is the correct meaning of ADT?

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

Which is NOT a basic representation technology?

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

It makes complex data more understandable and usable.

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

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

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

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

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

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

KR means __________________________.

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

Which of the following is a predictive data mining technique?

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

What is a data structure that has a fixed size?

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

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

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

What does GLM means?

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

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

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

Another term for variability.

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

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

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

Matrix B is

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

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

ROC means

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

Algorithms are independent of its

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

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

The quantification of data into information.

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

Data involving two variables.

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

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

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

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

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

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

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

The following are distinct roles that KR plays EXCEPT

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

The classification table that XLSTAT can display

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

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

- 0.294
- 209
- 0.295
**0.206**

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

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

3A + B =

- d
**a**- c
- b

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**

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

The major outcome of correlation.

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

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 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

“ All models are wrong but some are useful “

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

GLM means_____________.

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

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

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

Which belong to the GLM family?

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

The following are data mining techniques EXCEPT:

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

Another term for text analytics.

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

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.**

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

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

What type of text are processed in Text analytics?

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

It refers to well based theories and sound business judgement.

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

The method of correlation used for ranked score is ________.

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

Any way to get new expressions from old ones.

- surrogate
- semantic
**inference**- reasoning

What is the process of deriving useful information from text?

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

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**

Which of the following is NOT a data mining tool?

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

Which of the following statements is TRUE?

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

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

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

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) }

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

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

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

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

_____________ includes identifying groups of data record.

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

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

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

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 includes identifying groups of data records.

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

The proportion of a well-defined classified positive events.

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

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

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

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}**

KR is a set of __________commitments.

**ontological**- anthropological
- social
- psychological

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

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

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

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 of the following is a discrete distribution?

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

A network purpoting to describe family memberships.

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

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

What is the focus of data science?

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

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}

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

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

It partitions a ranked data into four equal groups.

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

The difference between the highest and lowest value.

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

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