Statistics MCQs

Page No. 59

A measure of dispersion is always ________________?


aZero

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bPositive

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cNegative

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dInfinity

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View Answer Positive

The algebraic sum of deviations from mean is_____________?


aMaximum

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bZero

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cMinimum

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dUndefined

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View Answer Zero

You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?


aDescriptive statistics

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bInferential Statistics

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cParameter

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dPopulation

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Which one of the following measurement does not divide a set of observations into equal parts ?


aQuartiles

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bStandard Deviations

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cPercentiles

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dDeciles

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View Answer Standard Deviations

Which of the following is not based on all the observations ?


aArithmetic Mean

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bGeometric Mean

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cHarmonic Mean

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dMode

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View Answer Mode

The height of a student is 60 inches. This is an example of________________?


a Qualitative data

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bCategorical data

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cContinuous data

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dDiscrete data

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View Answer Continuous data

In statistics, a sample means______________?


aA portion of the sample

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bA portion of the population

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call the items under investigation

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dnone of the above

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Which of these is a relative measure of dispersion_____________?


aStandard Deviation

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bVariance

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cCoefficient of Variation

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dNone of these

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Which one is the not measure of dispersion?


aThe Range

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b50th Percentile

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cInter-Quartile Range

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dVariance

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View Answer 50th Percentile

In statistics, conducting a survey means_____________?


aCollecting information from elements

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bMaking mathematical calculations

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cDrawing graphs and pictures

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dNone of the above

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