Question

the mean of 5 numbers is 27 if one number is excluded their mean is 25 find the excluded observation​

Answer 1

Answer:

The mean of 5 number is 27.So, the total sum of 5 numbers will be 27*5=135.

The new mean of 4 numbers is 25.So, the total sum of 4 numbers will be 25*4=100.

If we subtract the two means we can get the excluded number which is 135–100=35

Answer 2

Answer:

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