Statistics MCQs

Page No. 61

The grouped data is also called_____________?


aRaw data


bPrimary data


cSecondary data


dQualitative data


View Answer Secondary data

The first hand and unorganized form of data is called_______________?


aSecondary data


bOrganized data


cPrimary data


dNone of these


View Answer Primary data

Which of these represent qualitative data______________?


aHeight of a student


bLiking or disliking of (500) persons of a product


cIncome of a government servant in a city


dYield from a wheat plot



Sum of dots when two dice are rolled is____________?


aa discrete variable


b a continuous variable


ca constant


da qualitative variable


View Answer a discrete variable

If a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?


aLeptokurtic


bPyrokurtic


cPlatykurtic


dMesokurtic


View Answer Leptokurtic

If the standard deviation of a population is 9, the population variance is_____________?


a9


b3


c21


d81


View Answer 81

Which of the following is not a measure of central tendency ?


aPercentile


bQuartile


cStandard deviation


dMode


View Answer Standard deviation

The sum of the deviations about the mean is always______________?


aRange


bZero


cTotal Standard Deviation


dPositive


View Answer Zero

The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?


aPositively Skewed


bSymmetrical


cAsymptotic


dNegatively Skewed


View Answer Negatively Skewed

Which of the following describe the middle part of a group of numbers ?


aMeasure of Variability


bMeasure of Central Tendency


cMeasure of Association


dMeasure of Shape



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