Question

(D) 11
7. The sample mean of first n natural numbers is:
(A) n(n+ 1)/2
(B) (n+1)/2
(C) n/2
(D) (n+1)/2
8. The sum of deviations is zero when deviations are taken from:
(A) Mean
(B) Median
(C) Mode
(D) Geometric mean​

Answer 1

Answer:

a ans

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Explanation:

i am hoping ful answers