Statistics MCQs

Page No. 65

The number of accidents in a city during 2012 is____________?


a Discrete variable

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bContinuous variable

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cContinuous variable

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dConstant

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View Answer Discrete variable

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


aRaw data

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bArray data

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cSecondary data

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dFictitious data

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View Answer Secondary data

Primary data and _____________ data are same?


aGrouped

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bSecondary data

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cUngrouped

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dNone of these

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View Answer Ungrouped

A parameter is a measure which is computed from___________?


aPopulation data

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bSample data

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cTest statistics

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dNone of these

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View Answer Population data

Questionnaire survey method is used to collect____________?


aSecondary data

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bQualitative variable

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cPrimary data

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dNone of these

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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

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b30

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cZero

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d15

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View Answer Zero

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


aRange

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bStandard Deviation

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cQuartile Deviation

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dAll of them

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View Answer Standard Deviation

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


aMedian

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bMean

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cMode

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dGeometric Mean

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View Answer Mode

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


aArithmetic Mean

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b Harmonic Mean

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cGeometric Mean

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dMode

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View Answer Geometric Mean

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


aMean

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bGeometric Mean

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cHarmonic Mean

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dWeighted Mean

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View Answer Harmonic Mean

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