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CBSE Notes 2011-2012 » XI-Economics

Measures of Dispersion

The standard deviation of a set of 50 observation is 8. If each observation is multiplied by 2, then...

Multiple choice question

The standard deviation of a set of 50 observation is 8. If each observation is multiplied by 2, then the value of S.D. will be

Which of the following is a relative measure of dispersion ?

Multiple choice question

Which of the following is a relative measure of dispersion ?

If mean and coefficient of variation of a set of data is 10 and 5, then S.D. is

Multiple choice question

If mean and coefficient of variation of a set of data is 10 and 5, then S.D. is

Which of the following measures of dispersion is affected most by extreme values of observations in ...

Multiple choice question

Which of the following measures of dispersion is affected most by extreme values of observations in a data set ?

In case of open-ended classes, an appropriate measure of dispersion to be used is

Multiple choice question

In case of open-ended classes, an appropriate measure of dispersion to be used is

The standard deviation is independent of

Multiple choice question

The standard deviation is independent of

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