Question: A sample of 12 small accounting firms reveals the following numbers of professionals per office.
7 10 9 14 11 8
5 12 8 3 13 6
a. Determine the mean absolute deviation.
b. Determine the variance.
c. Determine the standard deviation.
d. Determine the interquartile range.
e. What is the z score for the firm that has six professionals?
f. What is the coefficient of variation for this sample?