. if the mean of n observations ax1, ax2, ax3,....axn
if the mean of n observations ax1, ax2, ax3,.... axn, is ax then, (ax1 - ax̄) + (ax2 - ax̄)+(ax3, -ax̄)+....(axn, - ax̄) is equal to:
(A): zero
(B): one
(C): 9
(D): none of these
Best Answer
Correct Answer:
(A): zero
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