The mean of 10 observations is 16.By an error one observation was recorded as 10 instead of -10.Then find the true mean.
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Here, Mean of 10 observations = 16.
So, Total value = 16*10 = 160.
Now, After subtracting error value,
i.e. 160-10 = 150
And, adding the real one , 150+(-10)= 140.
Thus, True mean = 140/10 = 14.
Hope you will find it helpful....
MARK IT AS BRAINLIEST
So, Total value = 16*10 = 160.
Now, After subtracting error value,
i.e. 160-10 = 150
And, adding the real one , 150+(-10)= 140.
Thus, True mean = 140/10 = 14.
Hope you will find it helpful....
MARK IT AS BRAINLIEST
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