Measures of Central Tendency
Quick practice
Question 1 of 5
Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): A fundamental mathematical property of the arithmetic mean is that the sum of the squared deviations of the items from their arithmetic mean is always minimum.
Reason (R): The arithmetic mean is a positional average and therefore completely ignores the extreme marginal values in a dataset.
In the light of the above statements, choose the most appropriate answer from the options given below:
(A) is incorrect but (R) is correct.
(A) is correct but (R) is incorrect.
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
Both (A) and (R) are correct and (R) is the correct explanation of (A).
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