# Question

A sample of 1,200 individuals arrested for driving under the influence of alcohol was obtained from police records. The research recorded the gender, socioeconomic status (from occupation information), and number of previous alcohol- related arrests. These data are shown here:

Separately for each socioeconomic status group, answer the following questions.

a. Is there significant evidence of a difference between males and females with respect to the number of previous alcohol- related arrests?

b. Compute the odds of having a previous alcohol- related arrest for both males and females. Interpret these values.

c. Compute the odds ratio of having a previous alcohol- related arrest for males vesus females, and place a 95% confidence interval on the odds ratio. Interpret the interval.

d. Compare the results for the three socioeconomic statuses.

Separately for each socioeconomic status group, answer the following questions.

a. Is there significant evidence of a difference between males and females with respect to the number of previous alcohol- related arrests?

b. Compute the odds of having a previous alcohol- related arrest for both males and females. Interpret these values.

c. Compute the odds ratio of having a previous alcohol- related arrest for males vesus females, and place a 95% confidence interval on the odds ratio. Interpret the interval.

d. Compare the results for the three socioeconomic statuses.

## Answer to relevant Questions

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