Refer to Table 8.15. Obtain a 95% confidence interval for gamma. Interpret the association between schooling and attitude toward abortion.

Table 8.15:

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Marginal Standardization of Attitudes toward Abortion by Years of Schooling Attitude toward Legalized Abortion Generally Disapprove Generally Approve Middle Schooling Position Total Less than high school 209 101 237 (49.4) (32.0) (18.6) (100) High school 151 126 426 (32.8) (36.6) (30.6) (100) More than high school 16 21 138 (17.8) (31.3) (50.9) (100) Total (100) (100) (100)