Question
46 51 52 53 55 55 56 57 58 58 59 60 61 62 62 63...
46 51 52 53 55 55 56 57 58 58 59 60 61 62 62 63 64 67 70 77 What is the coefficient of variation? A. 11.84% B. 9000% C. 56% D. 1%
Homework Answers
Answer #1
Solution :
46 51 52 53 55 55 56 57 58 58 59 60 61 62 62 63 64 67 70
77
n = 20
mean = 1186 / 20 = 59.3
s = 
(x
- 
)2 / n - 1 = 936 /
20 - 1 = 936 / 19 =
49.27368 =
7.01952
CV = s / 
= 7.01952 /
59.3 * 100% = 0.1184 * 100% = 11.84
A)
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