[EX02-113] The NCAA men’s basketball

“Big Dance” kicks into full gear every March. If you look at the graduation rate of these athletes, however, you will find that many teams do not make the grade, according to a study released in March 2005. Following are the graduation rates for 64 of the 2005 tournament teams.

Graduation Rates (%), 2005 Men’s Teams, NCAA Division I Basketball Tournament 40 38 100 55 44 58 30 11 40 19 43 27 0 64 75 58 54 44 40 11 50 30 40 71 92 53 33 29 40 25 33 43 25 27 58 47 55 60 8 17 17 0 40 25 14 67 45 33 20 15 50 27 29 57 36 45 45 73 15 100 67 44 57 55 Source: 2004 NCAA Graduation-Rates Report

a. Draw a dotplot of the graduation rate data.

b. Draw a stem-and-leaf display of these data.

c. Find the 5-number summary and draw a boxand-

whiskers display.

d. Find P5 and P95.

e. Describe the distribution of graduation rates, being sure to include information learned in parts a through d.

f. Are there teams whose graduation rates appear to be quite different from the rest? How many?

Which ones? Explain.