Statistics MCQs

Page No. 60

Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?


aAdvanced Statistics


bProbability Statistics


cInferential Statistics


dDescriptive Statistics



Statistic is a numerical quantity, which is calculated from?


aPopulation


bSample


cData


dObservations


View Answer Sample

Data in the Population Census Report is____________?


aGrouped data


bUngrouped data


cSecondary data


dPrimary data


View Answer Primary data

When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?


aA sample


bA Parameter


cA Population


dBoth b and c


View Answer A sample

In descriptive statistics, we study______________?


aThe description of decision making process


bThe methods for organizing, displaying, and describing data


cHow to describe the probability distribution


dNone of the above



In inferential statistics, we study____________?


athe methods to make decisions about population based on sample results


bhow to make decisions about mean, median, or mode


chow a sample is obtained from a population


dNone of the above



A constant variable can take values______________?


aZero


bFixed


cNot fixed


dNothing


View Answer Fixed

A chance variation in an observational process is_____________?


aDispersion/ Variability


bMeasurement error


cRandom error


dInstrument error


View Answer Random error

Population census is conducted through_______________?


a Sample survey


bAccounting


cInvestigation


dComplete enumeration


View Answer Complete enumeration

Life of a T.V picture tube is a____________?


aDiscrete variable


bContinuous variable


cQualitative variable


dConstant


View Answer Continuous variable

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