The Insurance Institute for Highway Safety reported that there were 5037 fatalities among drivers in auto accidents in a recent year. Following is a frequency distribution of their ages.

a. Approximate the mean age.

b. The first class consists of ages 11 through 20, but most drivers are at least 16 years old. Does this tend to make the approximate mean too large or too small? Explain.

Transcribed Image Text:

Age 11-20 Number of Fatalities 485 21-30 1736 31-40 988 41-50 868 51-60 585 61-70 249 71-80 126