Question: The U.S. Census Bureau lists college graduation numbers by race and gender. The table shows the data for graduating 25-year-olds. Source: J. J. McArdle and

The U.S. Census Bureau lists college graduation numbers by race and gender. The table shows the data for graduating 25-year-olds.

The U.S. Census Bureau lists college graduation numbers by race

Source: J. J. McArdle and F. Hamagami, J. Amer. Statist. Assoc., vol. 89 (1994), pp. 1107€“1123. Data from U.S. Census Bureau, American Community Survey 2005€“2007.
a. Identify the response variable.
b. Express the data in the form of a three-variable contingency table that cross-classifies whether graduated (yes, no), race, and gender.
c. When we use indicator variables for race (1 = white, 0 = black) and for gender (1 = female, 0 = male), the coefficients of those predictors in the logistic regression model are 0.975 for race and 0.375 for gender. Based on these estimates, which race and gender combination has the highest estimated probability of graduation? Why?

College graduation Group White females White males Black females Black males Sample Size 31,249 39,583 13,194 17,707 Graduates 10,781 10,727 2,309 2,054

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