JEE MATHEMATICS MCQ: STATISTICS

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The mean of a data set consisting of 20 observations is 40 . If one observation 53 was wrongly recorded as 33 , then the correct mean will be:

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Correct option: A

Option A (41) is the closest correct answer. The correct mean is calculated by subtracting the incorrect value and adding the correct value, then dividing by the number of observations.

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\bar X,

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