A study of traffic safety showed that 61% of those involved in accidents last ye
ID: 1132999 • Letter: A
Question
A study of traffic safety showed that 61% of those involved in accidents last year had more than 10 years of driving experience, 21% had 6-10 years of experience, and 17% had 1-5 years of experience. Traffic experts concluded that experience seems to make drivers more complacent and careless. Which of the following best states why this conclusion is not justified?
prevalence is used where incidence is required
comparison needs to be made w/ similar fata on drivers not involved in accidents
data are incomplete due to unreported accidents
rates have not been standardized for age differences
Explanation / Answer
No test of statistical significance has been made is best states why this conclusion is not justified.
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