4.36 Fiber content (in grams per serving) and sugar content (in grams per serving) for 18 high fiber cereals

(www.consumerreports.com) are shown below.

Fiber Content 7 10 10 7 8 7 12 12 8 13 10 8 12 7 14 7 8 8 Sugar Content 11 6 14 13 0 18 9 10 19 6 10 17 10 10 0 9 5 11

a. Find the median, quartiles, and interquartile range for the fiber content data set.

b. Find the median, quartiles, and interquartile range for the sugar content data set.

c. Are there any outliers in the sugar content data set?

d. Explain why the minimum value for the fiber content data set and the lower quartile for the fiber content data set are equal.

e. Construct a comparative boxplot and use it to comment on the differences and similarities in the fiber and sugar distributions.