Statistics MCQs

Page No. 59

A measure of dispersion is always ________________?


aZero


bPositive


cNegative


dInfinity


View Answer Positive

The algebraic sum of deviations from mean is_____________?


aMaximum


bZero


cMinimum


dUndefined


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


bInferential Statistics


cParameter


dPopulation



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


aQuartiles


bStandard Deviations


cPercentiles


dDeciles


View Answer Standard Deviations

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


aArithmetic Mean


bGeometric Mean


cHarmonic Mean


dMode


View Answer Mode

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


a Qualitative data


bCategorical data


cContinuous data


dDiscrete data


View Answer Continuous data

In statistics, a sample means______________?


aA portion of the sample


bA portion of the population


call the items under investigation


dnone of the above



Which of these is a relative measure of dispersion_____________?


aStandard Deviation


bVariance


cCoefficient of Variation


dNone of these



Which one is the not measure of dispersion?


aThe Range


b50th Percentile


cInter-Quartile Range


dVariance


View Answer 50th Percentile

In statistics, conducting a survey means_____________?


aCollecting information from elements


bMaking mathematical calculations


cDrawing graphs and pictures


dNone of the above



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