1.

Coefficient of variation of two distributions are 50 and 60, and their arithmetic means are 30 and 25 respectively. Difference of their standard deviation is(a) 0 (b) 1 (c) 1.5 (d) 2.5

Answer» Coefficient of variation of two distributions are 50 and 60, and their arithmetic means are 30 and 25 respectively. Difference of their standard deviation is

(a) 0

(b) 1

(c) 1.5

(d) 2.5


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