Statistics MCQs

Page No. 65

The number of accidents in a city during 2012 is____________?


a Discrete variable


bContinuous variable


cContinuous variable


dConstant


View Answer Discrete variable

The data which have already been collected by some one are called____________?


aRaw data


bArray data


cSecondary data


dFictitious data


View Answer Secondary data

Primary data and _____________ data are same?


aGrouped


bSecondary data


cUngrouped


dNone of these


View Answer Ungrouped

A parameter is a measure which is computed from___________?


aPopulation data


bSample data


cTest statistics


dNone of these


View Answer Population data

Questionnaire survey method is used to collect____________?


aSecondary data


bQualitative variable


cPrimary data


dNone of these


View Answer Primary data

In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?


a60


b30


cZero


d15


View Answer Zero

Which of the measures given here are based on every item of the series (uses all observations)?


aRange


bStandard Deviation


cQuartile Deviation


dAll of them


View Answer Standard Deviation

The most repeated (popular) value in a data set is called___________?


aMedian


bMean


cMode


dGeometric Mean


View Answer Mode

If any of the value in data set is negative then it is impossible to compute:_____________?


aArithmetic Mean


b Harmonic Mean


cGeometric Mean


dMode


View Answer Geometric Mean

To find the average speed of a journey which is the appropriate measure of central tendency?


aMean


bGeometric Mean


cHarmonic Mean


dWeighted Mean


View Answer Harmonic Mean

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