Hello,
Please, see the attached files.
Thanks.
Answer:
It is actually A
Step-by-step explanation:
1. E
2.D
3.G
4.E
5.N
6.U
7.I
8.T
10.Y
Answer: b. 30%
Step-by-step explanation:
- A measure of relative variability is known as coefficient of variation. It is the ratio of the standard deviation to the mean.
i.e. 
Given: mean = 
Variance = 

Now, 
in percent , 
Hence, correct option is b. 30%.