on 1 Which of the measures of central tendency is the largest in a positively skewed distribution? et ered d out of Select one: O a. Mode g question O b. Mean O c. Median n 2 If the average of a series of values is 20 and their variance is 9, then the coefficient of variation is: ed out of Select one: O a. 40% question O b. 80% O c. 15% O d. 20%