# Question: From Exercises 12 97 and 12 98 we conjecture that for a

From Exercises 12.97 and 12.98, we conjecture that, for a comparison of two population proportions, the value of the χ2-statistic of a chi-square homogeneity test equals the square of the value of the z-statistic of a two-proportions z-test. Establish that fact.

## Answer to relevant Questions

Consider a χ2-curve with 17 degrees of freedom. Use Table V to determine a. χ2 0.99. b. χ2 0.01. c. The χ2-value that has area 0.05 to its right. d. The χ2-value that has area 0.05 to its left. e. The two χ2-values ...Refer to Problem 14. a. Obtain the conditional distribution of control type within each facility type. b. Does an association exist between facility type and control type for U.S. hospitals? Explain your answer. c. Determine ...a. Sex and classification b. Sex and residency c. Sex and college d. Classification and residency e. Classification and college f. College and residency Recall from Chapter 1 (refer to page 30) that the Focus database and ...Refer to Table VI in Appendix A. Because of space restrictions, the numbers of degrees of freedom are not consecutive. For instance, the degrees of freedom for the numerator skips from 24 to 30. If you had only Table VI and ...Determine the following items. a. SSTR b. MSTR c. SSE d. MSE e. FPost your question