___________ uses artifacts to present data visually.

**data visualizationCorrect**Correct

_____________ is rated as the number one business analytics software.

**Rapid minerCorrect**Correct

“All models are wrong but some are useful “

**George E. P. Box**Correct

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

**normal distributionCorrect**Correct

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

**normalCorrect**Correct

A distribution where large distribution are displayed.

**Grouped frequency distributionCorrect**Correct

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

**logistic regressionCorrect**Correct

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

**squareCorrect**Correct

A negative correlation exists when___________.

**x increases y decreasesCorrect**Correct

A network purpoting to describe family memberships.

**network topologyCorrect**Correct

A new phenomenon for the explosion of _________data

**interactionCorrect**Correct

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

**10Correct**Correct

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

**sequenceCorrect**Correct

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?

**84Correct**Correct

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?

**95Correct**Correct

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

**Have same sizesCorrect**Correct

Additionand subtraction of matrices only is possible if two are more matrices.

**Have same sizes.**Correct

Adistribution with 4 modes is said to be a _________distribution.

**multimodalCorrect**Correct

All representations are ________.

**imperfectCorrect**Correct

An example of an abstract computer.

**Turing machineCorrect**Correct

Another term for an empty set.

**nullCorrect**Correct

Another term for text analytics.

**Another term for text analyticsCorrect**Correct

Any way to get new expressions from old ones.

**inferenceCorrect**Correct

Aperfect positive correlation coefficient is equal to

**1Correct**Correct

Apositive z-score means that the score is

**Higher than the meanCorrect**Correct

AUC means___________.

**Area Under the CurveCorrect**Correct

Data involving two variables are called _________data.

**bivariateCorrect**Correct

Data involving two variables.

**bivariateCorrect**Correct

Earlier name for data science.

**datalogyCorrect**Correct

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

**95Correct**Correct

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

**997Correct**Correct

Exabytemeans ________bytes

**billionbillionCorrect**Correct

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

**Eric SchmidtCorrect**Correct

He proposed the use of a penalized likehood function.

**FirthCorrect**Correct

Hecoined the term “analysis of algorithms”.

**Donald KnuthCorrect**Correct

Hesaid that “ In mathematics the art of proposing a question must be held of higher value than solvingit”.

**GeorgCantorCorrect**Correct

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

**5 exabytesCorrect**Correct

If in a distribution all scores are distinctthen_____________.

**thereis no modeCorrect**Correct

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,T}Correct**Correct

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

**{ (3,4) (3,5) (2,4 ) {2,5) }Correct**Correct

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

**{3,5,6}Correct**Correct

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

**1225Correct**Correct

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

**51Correct**Correct

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

**52ndCorrect**Correct

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

**9Correct**Correct

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

**7Correct**Correct

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

**938Correct**Correct

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

**18Correct**Correct

is an important part of a broader_____________.

**computational complexity theoryCorrect**Correct

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

**multinomial logit modelCorrect**Correct

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

**profile likehoodCorrect**Correct

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

**ROCCorrect**Correct

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

**Text analyticsCorrect**Correct

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

**data analysisCorrect**Correct

It includes identifying groups of data records

**cluster analysis**Correct

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

**logicCorrect**Correct

it is a perfect software for machine learning.

**orangeCorrect**Correct

It is popular among financial data analysts.

**KnimeCorrect**Correct

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

**WEKACorrect**Correct

It is a free software programming language.

**R-programmingCorrect**Correct

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

**Medium of human expressionCorrect**Correct

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

**Data MiningCorrect**Correct

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

**studioCorrect**Correct

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

**OrangeCorrect**Correct

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

**KnimeCorrect**Correct

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

**reasoningCorrect**Correct

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

**run time analysisCorrect**Correct

It is a variety of formal calculation typically deduction.

**Intelligent ReasoningCorrect**Correct

It is used for prototyping in Rapid miner.

**studioCorrect**Correct

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

**business intelligenceCorrect**Correct

It is used to discover patterns in large data sets

**Data miningCorrect**Correct

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

**Knowledge RepresentationCorrect**Correct

It makes complex data more understandable and usable.

**data visualizationCorrect**Correct

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

**Business IntelligenceCorrect**Correct

It refers to the degree of relationship between two variables?

**CorrelationCorrect**Correct

All courses