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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

It assigns a cost to every machine operation.

• a. uniform cost model
• b. exponential cost model
• c. variable cost model
• d. logarithmic cost model

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 term "analysis of algorithms" was coined by

• a. Ronald Kunt
• b. Donald Knot
• c. Ronald Knut
• d. Donald Knuth

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

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

• a. series
• b. string
• c. regression
• d. sequence

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

• a. datacation
• b. datafition
• c. datafication
• d. datafitration

KR is a set of __________commitments.

• ontological
• anthropological
• social
• psychological

It list the percent of data in a distribution.

• a. relative distribution
• b. frequency distribution
• c. percent distribution
• d. relative frequency distribution

It is popular among financial data analysts.

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

The quantification of data into information.

• a. mining
• b. dataology
• c. datafication
• d. analytics

Data involving two variables are called _________data.

• a. bivariate
• b. dichotomy
• c. dichotomal
• d. multivariate

It makes complex data more understandable and usable.

• a. data visualization
• b. data mining
• d. text analytics

Another term for text analytics.

• a. text miner
• b. text mining
• c. text examiner
• d. text analysis

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

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

• a. null set
• b. singleton
• c. singular
• d. nonsingular

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

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

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

The most frequent score.

• a. mean
• b. standard deviation
• c. mode
• d. median

What is a great example of data product?

The following are continuous distributions EXCEPT

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

Which is not a measure of central tendency?

• a. mode
• b. median
• c. standard deviation
• d. mean

An example of an abstract computer.

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

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

• a. bimodal
• b. multimodal
• c. unimodal
• d. trimodal

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

• inference
• logic
• reasoning
• actions

Null strings are indicated by

• a. λ
• b. α
• c. γ
• d. β

It is a variety of formal calculation typically deduction.

• Artificial Intelligence
• GLM
• Intelligent Reasoning
• KR

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

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

• a. sufficient
• b. small
• c. big
• d. enough

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

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

• a. 1
• b. 10
• c. 50
• d. 5

It includes identifying groups of data records

• a. cluster analysis
• b. data analysis
• c. database
• d. data mining

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

• a. Rapid miner
• b. WEKA
• c. Orange
• d. Knime

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

• Artificial Intelligence
• Intelligent reasoning
• Knowledge Channel
• Knowledge Representation

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

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

• a. data science
• b. ML
• c. data 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 more than 0.31 lb in a shipment of 6000 tomatoes.

• a. 150
• b. 200
• c. 100
• d. 120

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

• a. continuous variable
• b. random variable
• c. numerical variable
• d. discrete variable

What does ROC mean?

• b. Receptor Operating Characteristics

The classification table that XLSTAT can display

• a. poison matrix
• b. hypergeometric matrix
• c. confusion matrix
• d. logistic matrix

3A + B

• a. B
• b. C
• c. D
• d. A

What type of text are processed in Text analytics?

• a. raw
• b. structured
• c. altered
• d. unstructured

The score NOT easily affected by extreme values.

• a. range
• b. mean
• c. Median
• d. mode

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

• a. Text analytics
• c. data visualization
• d. Data mining

Classification table is also called ________

• a. confusion matrix
• b. confidential matrix
• c. conditional matrix
• d. criteria matrix

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 does GLM means?

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

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

The following are artifacts used in data analysis EXCEPT:

• a. pivot tables
• b. ANOVA
• c. statistical tools
• d. graphs

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

KR as a _________is a substitute for the thing itself.

• semantic
• pragmatic
• surrogate
• ontological

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

• a. multimodal
• b. bimodal
• c. trimodal
• d. unimodal

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

• a. 3x5
• b. 5x2
• c. 2x3
• d. 5x5

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

• a. INTERNIST
• b. MYCIN
• c. ONTOLOGY
• d. IOP

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 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

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

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

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

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

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

• a. WEKA
• b. Knime
• c. Orange
• d. Rapid Miner

Which of the following is NOT a data mining tool?

• a. Python
• b. Orange
• c. WEKA
• d. Knime

Data involving two variables.

• a. bichotomous
• b. divariate
• c. bivariate
• d. binary

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

• 80
• 95
• 90
• 85

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

GLM means_____________.

• a. Generalized Line Mode
• b. General Line Model
• c. Generalized Linear Mode
• d. Generalized Linear Model

What programming language is used in Rapid miner?

• a. Python
• b. Cobol
• c. Java
• d. Pascal

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 belong to the GLM?

• a. multivariate
• b. exponential
• c. logistic

The following are elements in an analytic plan EXCEPT

• a. graphs
• b. analytic models
• c. decision support tools

AUC means___________.

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

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

• a. dynamic
• b. linear
• c. static
• d. nonlinear

The major outcome of correlation.

• a. prediction
• b. interpretation
• c. analysis
• d. critical thinking

Any way to get new expressions from old ones.

• surrogate
• semantic
• inference
• reasoning

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) }

ROC means

• a. Receiving Operator Character
• c. Receiving Operating Character

Which is NOT a measure of variability?

• a. standard deviation
• b. variance
• c. quartile
• d. range

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

An array is a good example of _________data structure.

• a. linear
• b. static
• c. dynamic
• d. nonlinear

All representations are ________.

• stable
• perfect
• unstable
• imperfect

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

The number that occurs most frequently is called________.

• a. range
• b. Mode
• c. median
• d. mean

It includes identifying groups of data records.

• a. database
• b. data mining
• c. data analysis
• d. cluster analysis

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

• skewed
• kurtic
• normal distribution
• standard distribution

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}

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

• a. finite
• b. infinite
• c. Expected
• d. middle

What is the process of deriving useful information from text?

• a. Statistics Analytics
• c. Text Analytics
• d. Data Mining

The proportion of a well-defined classified positive events.

• a. clarity
• b. sensitivity
• c. volume
• d. velocity

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

It refers to the degree of relationship between two variables?

• a. synthesis
• b. regression
• c. analysis
• d. Correlation

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

• pie graph
• histogram
• ogive
• bar graph

Which is an example of a discrete random variable?

• a. number of books
• b. weight
• c. height
• d. time

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

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

Which is NOT a correct correlation Coefficient?

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

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

Earlier name for data science.

• a. dataloogy
• b. datology
• c. datalogy
• d. dataology

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

• a. profile
• c. profile likehood
• d. identity likehood

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

• a. input
• b. output
• c. usage
• d. reaction

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

• a. data analysis
• b. data visualization
• c. database
• d. data mining

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

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

• a. unorganized
• b. structured
• c. unstructured
• d. raw

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

• a. identity
• b. invertible
• c. square
• d. transpose

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

• a. Math and Stats
• b. speaking
• c. Communication
• d. coding

ML means:

• a. Mobile Learning
• b. Math Learning
• c. Machine Learning
• d. Machine Landscaping

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

What is a data structure that has a fixed size?

• a. static
• b. linear
• c. nonlinear
• d. dynamic

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

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

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

KR means __________________________.

• Knowledge Representation
• Knowledge Replenished
• Knowledge Requisition
• Knowledge Request

Which belong to the GLM family?

• a. exponential only
• b. linear only
• c. logistic and linear
• d. logistic only

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

• a. Supercell
• b. Moontoon
• c. Electronic Arts
• d. Zynga Incorporated

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

Which is primarily written in C and in Fortran?

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

Which is NOT a KR technology?

• semantic nets
• logic
• frames
• roles

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

• a. Knime
• b. Rapid miner
• c. Orange
• d. WEKA

Which of the following does not use discrete distribution ?

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

Which is NOT a value of r ?

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

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 matrices is singular?

• a. none
• b. A
• c. B
• d. C

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

A perfect positive correlation coefficient is equal to

• a. 0
• b. 1
• c. -1
• d. 2

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

• Skewed
• kurtic
• skewed to the right
• Standard

Refers to using tools of statistics to present data visually.

• a. Data mining
• b. data visualization
• c. data analysis
• d. data statistics

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

• a. trimodal
• b. no mode
• c. unimodal
• d. bimodal

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 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

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

Algorithms are independent of its

• a. operation
• b. platform
• c. time
• d. behaviour

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

• a. dynamic
• b. linear
• c. static
• d. nonlinear

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 score easily affected by extreme values is the _________.

• a. Mean
• b. median
• c. range
• d. mode

He coined the term “analysis of algorithms”.

• a. Donald Knuth
• b. David Knut
• c. David Knuth
• d. Donald Knoth

Which is usually denoted as n in algorithms?

• a. sample size
• b. population size
• c. Input size
• d. output size

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

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

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

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

What is the earlier name for data science?

• a. datology
• b. datatology
• c. dataology
• d. datalogy

Matrix B is

• a. invertible
• b. singular
• c. transpose
• d. inverse

The classification table that XL Stat can display.

• a. square matrix
• b. inverse matrix
• c. confusion matrix
• d. identity matrix

What is KR?

• a. Knowledge Rational
• b. Knowledge Representation
• c. Knowledge Representative
• d. Knowledge Race

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

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

• a. datology
• b. datalization
• c. Datafication
• d. dataology

_____________ is rated as the number one business analytics software.

• a. WEKA
• b. Orange
• c. Rapid miner
• d. Knime

Another term for an empty set.

• a. singleton
• b. null
• c. zero
• d. cipher

There are how many data mining techniques?

• a. 6
• b. 7
• c. 5
• d. 8

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

• b. studio
• c. server
• d. loop

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

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

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

• rule based
• logic
• semantic net
• frame

What is the mean for a standard normal distribution?

• 5
• 1
• 2
• 0
• 0 (zero)

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

• Mean=Median=Mode
• Mean >Mode >Median
• Mean < Median <Mode
• Mean > Median >Mode

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

• a. variable
• b. constant
• c. dense variable
• d. random variable

3A + B =

• d
• a
• c
• b

It transforms data into actionable intelligence for business purposes.

• a. Text Analytics
• b. Data Mining
• d. Statistics Analytics

A network purpoting to describe family memberships.

• network topology
• network tautology
• networking

SBC means_________

• a. Schwar’s Bayesian Criterion
• b. Schmidt’s Bayesian Criterion

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

The following are large inputs EXCEPT

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

Which of the following is a discrete distribution?

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

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 method of correlation used for ranked score is ________.

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

The following are distinct roles that KR plays EXCEPT

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

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

• skewed
• symmetric
• standard
• normal

A network purpoting to describe family memberships.

• a. network area
• b. network facility
• c. network access
• d. network topology

The score NOT easily affected by extreme values.

• a. mode
• b. Median
• c. mean
• d. range

What is the correct meaning of ADT?

• a. Abstract Data Type
• b. Abstract Data Topography

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

• 64
• 75
• 79
• 68

LR means ________________________.

• a. Logistic Reinforcement
• b. Linear Regression
• c. Logistic Regression
• d. Linear Relativity

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

• a. 6
• b. 1.5
• c. 9
• d. 1.41

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

What increases data volume?

• a. velocity
• b. viscosity
• c. vastness
• d. variety

“ All models are wrong but some are useful “

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

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 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

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

• a. normal
• b. standard
• c. kurtic
• d. skewed

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

Which of the following statements is TRUE?

• a. Q2=Range
• b. Q2=Mode
• c. Q2=Mean
• d. Q2=median

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

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

• a. data mining
• b. data visualization
• c. text analytics

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

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

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

• a. disjoint
• b. equal
• d. joint

PAW means____________.

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

The following are softwares used in data mining EXCEPT

• a. Weka
• b. Rapid miner
• c. SPSS
• d. Orange

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 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}

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

• a. IOP
• b. KR
• c. MYCIN
• d. INTERNIST

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

• b. data visualization
• c. text analytics
• d. Data mining

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

• 1
• 0
• 2
• 5

Which of the following is TRUE?

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

He proposed the use of a penalized likehood function.

• a. Firth
• b. Herth
• c. Waiz
• d. Gombartz

It is used for prototyping in Rapid miner.

• b. studio
• c. loop
• d. server

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

• a. alternative
• b. rational
• c. hidden

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

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

ROC comes from ______theory.

• a. signal attraction
• b. signal execution
• c. signal detraction
• d. signal detection

What programming language doe Orange use?

• a. Fortran
• b. JAVA
• c. Cobol
• d. python

What is the shape of a normal probability distribution?

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

The most commonly used continuous probability distribution.

• a. standard
• b. normal
• c. multinomial
• d. linear

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

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

Exabyte means ________bytes

• million million
• trillion trillion
• thousand thousand
• billion billion

It is a variety of formal calculation typically deduction.

• a. Intelligent Ratio
• b. Intelligence Rationing
• c. Intelligent Reasoning
• d. Intelligence Ratio

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

• 0.294
• 209
• 0.295
• 0.206

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

• rules
• logic
• frame
• semantic nets

The proportion of a well-classified negative event.

• a. clarity
• b. identity
• c. specificity
• d. sensitivity

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

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

Data is NOT information unless we add_________.

• a. volume
• b. depth
• c. analytics
• d. velocity

___________ uses artifacts to present data visually.

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

Example of a data product.

The following are discrete distributions EXCEPT

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

It is used to discover patterns in large data sets

• a. data analysis
• b. Data mining
• c. data retriever
• d. data statistics

The creation of a data product contains 3 components EXCEPT

• a. process
• b. technical expertise
• c. data
• d. time

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

• a. 6
• b. 8
• c. 5
• d. 7

Which of the following pertains to predictive data mining technique?

• a. Prediction
• b. Association
• c. Clustering
• d. Regression

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

• a. profile likehood
• b. feedback
• c. profile likeness
• d. parameter range

Another term for variability.

• a. dispersion
• b. mean
• c. frequent
• d. center

A distribution where large distribution are displayed.

• histogram
• Relative frequency distribution
• ogive
• Grouped frequency distribution

Which is NOT a basic representation technology?

• semantic net
• graph
• frame
• logic

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

It expands available data enormously.

• a. text mining
• b. sorting
• c. volume
• d. text

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

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

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 most common function used to link probability to explanatory variables.

• a. Probit model
• b. Proba model
• c. logit model
• d. legit model

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

Which is Not an interaction data?

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

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}

The following processes are used in data analysis EXCEPT:

• a. transforming
• b. collecting
• c. inspecting
• d. cleansing

A graph that is used to indicate frequency distribution.

• a. bar graph
• b. pie graph
• c. histogram
• d. ogive

The difference between the highest and lowest value.

• a. range
• b. mean
• c. variance
• d. deviation

IOT means

• a. Internet of things
• b. Internet of time
• c. Interconnction of things
• d. Interaction of time

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

Running time for algorithms is usually measured in

• a. microseconds
• b. picoseconds
• c. nanoseconds
• d. miiliseconds

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

• a. mass likehood
• b. densiy likehood
• c. profile likehood
• d. definite likehood

The following provided inspirations of what constitute intelligent reasoning EXCEPT

• a. economics
• b. philosophy
• c. psychology
• d. mathematical logic

Matrix B is

• a. singular
• b. transpose
• c. invertible
• d. inverse

The symbol used to indicate strings with no elements.

• a. β
• b. δ
• c. λ
• d. α

Primarily used for data pre-processing.

• a. Knime
• b. WEKA
• c. Orange
• d. Rapid miner

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 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

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

• a. mean
• b. median
• c. mode
• d. percentile

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

• b. Text Analytics
• c. Statistics Analytics
• d. Data Mining

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 is a free software programming language.

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

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

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

_____________ includes identifying groups of data record.

• a. Text Analytics
• b. Cluster analysis
• c. Statistics Analytics

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

• a. 400
• b. 200
• c. 500
• d. 300

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

• LOGIC
• MYCIN
• SEMANTIC NETS
• INTERNIST

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

Which of the following does NOT use continuous distribution?

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

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

Lists the percent of data in each distribution.

• relative frequency distribution
• ogive
• histogram
• grouped frequency distribution

Which of the following is a predictive data mining technique?

• a. Prediction
• b. tracking pattern
• c. association
• d. regression

It partitions a ranked data into four equal groups.

• a. median
• b. mean
• c. quartile
• d. percentile

The most widely used continuous probability distribution.

• a. Normal
• b. discrete
• c. uniform
• d. standard

The proportion of well defined negative events is called ________________.

• a. regression
• b. sensitivity
• c. specificity
• d. probability

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

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

• a. data analyst
• b. data scientist
• c. data expert
• d. data drive

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

Which of the following is a continuous distribution?

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

Which of the following is TRUE?

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

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

• a. probability
• b. specificity
• c. anonimity
• d. sensitivity

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

• a. Statistics Analytics
• c. Data Mining
• d. Text Analytics

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

• a. variety
• b. volume
• c. velocity
• d. veracity

Which of the following data mining techniques is predictive?

• a. clustering
• b. outlier detection
• c. classification
• d. tracking pattern

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

• a. Regression
• b. prediction
• c. analytic
• d. correlation

Which of the following algorithms is the fastest?

• a. platform search
• b. binary search
• c. linear search
• d. software search

It refers to well based theories and sound business judgement.

• a. Data visualization
• b. Data Mining
• c. Data Analytics
• d. Data Science

He coined the term "data scientist"

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

Which is NOT a basic representation technologies?

• a. rules
• b. graph
• c. frame
• d. logic

The following are data mining techniques EXCEPT:

• a. Clustering
• b. Classification
• c. Collection
• d. Regression

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

• 68
• 90
• 95
• 99

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

• a. 3
• b. 6
• c. 5
• d. 7

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

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

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

The following are abstract notions EXCEPT

• casualty
• beliefs
• processees
• actions

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

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

• a. software profiling
• b. software operation
• c. software analysis
• d. software behavior

A new phenomenon for the explosion of _________data

• a. transient
• b. transaction
• c. interaction
• d. communication

The following provided inspirations of what constitutes intelligent reasoning EXCEPT

• Statistics
• Psychology
• Sociology
• Biology

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

It views the world in thinking of prototypical objects.

• frame
• rule
• logic
• semantic net

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

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

• b. studio
• c. loop
• d. server

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

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