[EX02-106] Following are the American College Test (ACT) scores attained by the 25 members of a local high school graduating class:

21 24 23 17 31 19 19 20 19 25 17 23 16 21 20 28 25 25 21 14 19 17 18 28 20

a. Draw a dotplot of the ACT scores.

b. Using the concept of depth, describe the position of 24 in the set of 25 ACT scores in two different ways.

c. Find P5, P10, and P20 for the ACT scores.

d. Find P99, P90, and P80 for the ACT scores.