# Question

Refer to Exercise 10.78.

a. Compare the odds of a tumor appearing for each of the three rat groups.

b. Place a 95% confidence interval on the odds ratio of a tumor appearing for the control group to appearing for the low-dose group.

c. Place a 95% confidence interval on the odds ratio of a tumor appearing for the control group to appearing for the high- dose group.

d. Place a 95% confidence interval on the odds ratio of a tumor appearing for the low- dose group to appearing for the high- dose group.

e. What are your conclusions about the impact of the drug product on tumor appearance?

In exercise

a. Compare the odds of a tumor appearing for each of the three rat groups.

b. Place a 95% confidence interval on the odds ratio of a tumor appearing for the control group to appearing for the low-dose group.

c. Place a 95% confidence interval on the odds ratio of a tumor appearing for the control group to appearing for the high- dose group.

d. Place a 95% confidence interval on the odds ratio of a tumor appearing for the low- dose group to appearing for the high- dose group.

e. What are your conclusions about the impact of the drug product on tumor appearance?

In exercise

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