The following data represents the total revenue (in thousands of dollars) of a grocery store in a city on 10 consecutive days.

52 72 67 79 92 78 60 73 43 64

a. Compute the mean, median, first quartile, and third quartile.

b. Compute the variance, standard deviation, range, interquartile range, coefficient of variation, and Z scores.

c. Are the data skewed? If so, how?

d. Based on the results of part a through part c, what conclusions can you reach concerning the total revenue of the grocery store?