A) 15
B) 25
C) 17
D) 19
Correct Answer: B
Solution :
Coefficient of variation \[=\frac{\text{Standard deviation}}{arithmetic\,mean}\times 100\] But arithmetic mean of the given numbers \[=\frac{5+7+9+11}{4}=8\] \[\therefore \] Coefficient of variation \[=\frac{2\times 100}{8}=25\]You need to login to perform this action.
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