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Question

The formula for the coefficient of range is Rangea+b. Here, a and b denote:

A
the mean and median of the data set
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B
the maximum and the minimum value of the data set
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C
the mean and mode value of the data set
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D
the minimum and mean value of the data set
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Solution

The correct option is C the maximum and the minimum value of the data set
Range is the difference between the maximum value and the minimum value of the data set.

Let a be the maximum value of the data set and
b be the minimum value of the data set

Therefore, range=ab

Coefficient of range is the relative measure of the dispersion.

It is given by coefficient of range=aba+b=rangea+b

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