Question

C.V. of a data is 69%, S.D. is 15.6, then find its mean​

Answer 1

Answer:

we know

$cv \: = \frac{sd}{mean} \times 100 \\ 69 = \frac{15.6}{mean} \times 100 \\ mean \: = \frac{1560}{69} = 22.61 \: approx$