Which statement is false?
A)The coefficient of variation cannot be used when the mean is zero.
B)The standard deviation is in the same units as the mean (e.g., kilograms).
C)The mean from a frequency tabulation may differ from the mean from raw data.
D)The skewness coefficient is zero in a sample from any normal distribution.

Question

Quizplus · Accepted Answer

The skewness coefficient is zero in a symmetric distribution, but not necessarily in a normal distribution. A normal distribution can have nonzero skewness if it is shifted or scaled.

Which Statement Is False