Question

If mean and standard deviation of a group of 10 observations are 18 and 9 respectively , then the coefficient of variation is ______. *
1 point
20
50
70
60​

Answer 1

Answer:

20

Explanation:

CV= (standard deviation/mean)X100

=(18/9)X100

=(2X100)

=200

Then,

=200/10

=20