A small dataset has 10 numbers: –4, –2, –1, 0, 0, 5, 6, 7, 7, and 8.

a. Find the mean and standard deviation for this dataset. When calculating the standard deviation, use n – 1 in the formula.

b. Convert all the scores to z-scores.

c. Does the rank order of the subjects change when you convert their scores to z-scores?

d. The skewness value for the original data is –0.11 and the kurtosis value is 1.40. What would the skewness value and kurtosis value be for the z-scores?