The mean of 100 observations is 50 and their standard deviation is 5. The sum of squares of all the observations is

The mean of 100 observations is 50 and their standard deviation is 5.

1.	The mean of 100 observations is 50 and their standard deviation is 5. The sum of squares of all the observations is
A.	50000
B.	250000
C.	252500
D.	255000
Answer» D. 255000

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The mean of 100 observations is 50 and their standard deviation is 5. The sum of squares of all the observations is

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