2.41[EX02-041] The KSW computer science aptitude test was given to 50 students. The following frequency distribution resulted from their scores:

KSW Test Score 0–4 4–8 8–12 12–16 16–20 20–24 24–28 Frequency 4 8 8 20 6 3 1

a. What are the class boundaries for the class with the largest frequency?

b. Give all the class midpoints associated with this frequency distribution.

c. What is the class width?

d. Give the relative frequencies for the classes.

e. Draw a relative frequency histogram of the test scores.