Assertion (A) Range is not useful to manager for comparison if...

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Assertion (A) Range is not useful to manager for comparison, if the observations are in different units.
Reason (R) For the purpose of comparison a relative measure of range is required which is called coefficient of range.

A. Both (A) and (R) are true

B. (A) is true, but (R) is false

C. (A) is false, but (R) is true

D. Both (A) and (R) are false

Answer: Option A

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