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# Data Analysis

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

## tracking earned value

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

An example of an abstract computer.

• a. Turing machine
• b. Cartographic machine
• d. Cryptographic machine

A network purpoting to describe family memberships.

• 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
• c. Receiving Operating Character

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

What is the process of deriving useful information from text?

• a. Statistics Analytics
• 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

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

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?

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
• 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.

What does ROC mean?

• b. Receptor Operating Characteristics

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

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.

• 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

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
• 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.

• 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.

• 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
• 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
• 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

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.

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.

• 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

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
• 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
• 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?

• 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