Question: The 2(04 Naples. Florida. half-marathon (13.1 miles) had 1231 registrants ( Naples Daily News. January 17. 2004). Competition was held in six age groups. The following data show the ages for a sample of 40 individuals who participated in the marathon.
a. Show a stretched stem-and-leaf display.
b. What age group had the largest number of runner?
c. What age occurred most frequently'?
d. A Naples Daily News feature article emphasized the number of runners who were -20-something." What percentage of the runners were in the 20-something age group? What do you suppose was the focus of the article?