Question

Calculate coefficient of variation of the following data: No.

Value

1

25

2

42

3

33

4

48

Answer 1

Answer:

Let us calculate the A.M of the given data.

A. M xˉ=512+15+18+20+25

=590=18.

xd=x−18d212−63615−391800202425749∑d=0∑d2=98σ=n∑d2=598

=19.6≃4.428

∴ The coefficient of variation =xˉσ×100

=184.428×100=18442.8

∴ The coefficient of variation is 24.6.

Answer 2

Answer:

here is given an example so you can find out like this

I hope it's helpful you