1.

The mean of 100 observations is 50 and their standard deviation is 5. The sum of all squares of all the observations is(a) 50,000 (b) 250,000 (c) 252500 (d) 255000

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



(a) 50,000 (b) 250,000 (c) 252500 (d) 255000


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