8.6 For Table 7.19 on opinions about measures to deal with AIDS, treat the data as matched pairs on opinion, stratified by gender.

a. For females, test the equality of the true proportions supporting government action for the two items.

b. Refer to (a). Construct a 90% confidence interval for the difference between the true proportions of support. Interpret.

c. For females, estimate the odds ratio exp(β) for (i) marginal model (8.3),

(ii) conditional model (8.4). Interpret.

d. Explain how you could construct a 90% confidence interval for the difference between males and females in their differences of proportions of support for a particular item. (Hint: The gender samples are independent.)