1.

The sums of the deviations of a set of n values x1,x2,....,xnmeasured from 15 and -3 are -90 and 54 respectively.Find the value of n and mean.

Answer»

The sums of the deviations of a set of n values x1,x2,....,xnmeasured from 15 and -3 are -90 and 54 respectively.Find the value of n and mean.



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