3.11 Refer to Table 3.11, GSS data on party ID and race.

a. Using X² and G², test the hypothesis of independence between party identifica-

tion and race. Report the P-values and interpret.

b. Use standardized residuals to describe the evidence of association.

c. Partition chi-squared into components regarding the choice between Democrat and Independent and between these two combined and Republican. Interpret.

Table 3.11 Data for Exercise 3.11 on Party ID and Race Party Identification Race Democrat Independent Black 192 75 White 459 586 Republican 8

471 Source: 2008 General Social Survey, National Opinion Research Center.