You want to compare intermediate government to the short-term corporate bond funds. For each of these two groups, use the variables expense ratio, three-year return, and five-year return and complete the following.
a. Compute the mean, median, first quartile, and third quartile.
b. Compute the range, interquartile range, variance, standard deviation, and coefficient of variation.
c. Construct a boxplot. Are the data skewed? If so, how?
d. Based on the results of (a) through (c), what conclusions can you reach about differences between intermediate government and short-term corporate bond funds?