1 Some data for a given year of a traffic
safety study compares the number of
crashes per 1,000 drivers versus the
driver's age group as shown below.
80
60
Number of Crashes per
1,000 drivers
NAO0
20
40
y
Driver Safety
gr
0
16-17
18-19
20-24
25-29
30-39
40-49
50-59
69-09
Age of Driver (years)
What is the best estimate for the number of
crashes per 1,000 drivers aged 60-69?
B 50
C 29
D 42
A 15
