the mean of 8 observations was found to be 57 later on it was discovered that one observation is 48 was misread as 84 find correct mean
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This is the answer according to me ,hope it helps!!!
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Answer is 52.5
Step-by-step explanation:
Mean of eight observations = 57
Sum of all the observations = 57×8=456
Since 48 was misread as 84, therefore, the correct sum of all observations is
= 456 - 84 + 48 = 420
Hence, Correct mean = 420/8 = 52.5
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