Question: 12.11. When we use the GSS to evaluate how the mean number of hours a day watching TV depends on sex and race, for subjects

12.11. When we use the GSS to evaluate how the mean number of hours a day watching TV depends on sex and race, for subjects of age 18–25, we get the results shown in Table 12.27. The sample means were 2.66 for white females, 2.62 for white males, 3.48 for black females, and 3.14 for black males. Explain how these results seem to be compatible with the results of the tests shown.

TABLE 12.27 Source SS df MS F Prob>F Sex 2.22 1 2.22

TABLE 12.27 Source SS df MS F Prob>F Sex 2.22 1 2.22 0.35 0.555 Race 489.65 1 489.65 76.62 0.000 Residual (Error) 11094.16 1737 6.39 Total 11583.81 1739

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