Question

The mean of 6 observations was found to be 46. Later on, it was detected that an observation 46 was misread as 40. Then the correct mean of the observation is
a. 47 b. 40 c. 45 d. 6

Answer 1

40 A’s the difference between the correct and wrong reading is 6 . So we will sub. 6 from the original mean

Answer 2

Answer:

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