NDA 2026 Mathematics question
If the mean of 50 observations is 40 and the standard deviation is 8, then what is the coefficient of variation?
Answer: (B)
Solution
Coefficient of variation . (The number of observations is not needed.)
If the mean of 50 observations is 40 and the standard deviation is 8, then what is the coefficient of variation?
Coefficient of variation . (The number of observations is not needed.)