Question

(2) For a Poisson distribution, if mean = 4. Find its coefficient of variation.​

Answer 1

2.32

explain

Given, mean

x

ˉ

=4, and coefficient of variation =58 %

If S.D of the given distribution is σ then we know that,

Coefficient of variation =

x

ˉ

σ

×100 %

⇒58=

4

σ

×100⇒σ=

100

58×4

=2.32