Statistics-And-Probability Question 641
Question: If the mean of few observations is 40 and standard deviation is 8, then what is the coefficient of variation?
Options:
A) 1%
B) 10%
C) 20%
D) 30%
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Mean = 40, S.D = 8
$ \therefore $ Coeft of variation $ =\frac{8}{40}\times 100 $ $ =\frac{1}{5}\times 100=20% $
BETA
