• Which is not a measure of variability?

A) Mean absolute deviation (MAD) 

B) Range 

C) Coefficient of variation 

D) Trimmed mean

• If Excel's sample skewness coefficient is positive, we conclude that:

A) the population is skewed to the right, if the sample size is small.

B) the population is symmetric, as long as the sample size is very large.

C) the coefficient is within the range of chance for a symmetric population

D) we should consult a table of percentiles that takes sample size into consideration

Answer rating: 100% (QA)

Solutiona Its answer is D Ie trimmed mean Mean absolute deviation range ... View the full answer