The mean of 100 observations was calculated as 40. It was founder later on that – OfficerPath

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MCQ Practice

The mean of 100 observations was calculated as 40. It was founder later on that one of the observation was misread as 83 instead of 53. The correct mean is :

Subject: MathematicsTopic: Average

A

39

B

39.7

C

40.3

D

42.7

Correct Answer: B

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