1.

If each observation of the data is decreased by 8 then their mean (a) remains the same (b) is decreased by 8 (c) is increased by 5 (d) becomes 8 times the original mean

Answer»

If each observation of the data is decreased by 8 then their mean
(a) remains the same
(b) is decreased by 8
(c) is increased by 5
(d) becomes 8 times the original mean



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