1.

If both mean and the standard deviation of 50 observation x1,x2,...,x50 are equal to 16, then the mean of (x1−4)2,(x2−4)2,...,(x50−4)2 is :

Answer»

If both mean and the standard deviation of 50 observation x1,x2,...,x50 are equal to 16, then the mean of (x14)2,(x24)2,...,(x504)2 is :



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