The two tables show 2012 GSS data on whether someone is identified as Democrat, by race and by gender.

a. Find the difference of proportions between blacks and whites and between females and males. Interpret each. Which variable has a stronger association with whether someone identifies as Democrat, race or gender? Explain.
b. Find the ratio of proportions between blacks and whites and between females and males. Interpret each. Which variable has a stronger association with whether someone identifies as Democrat, race or gender? Explain.
c. Find the odds of identifying as Democrat for blacks and whites and interpret each. Then find the odds ratio and interpret.

Transcribed Image Text:

Democrat Democrat No Total Yes gender Yes Total No race female male 421 278 1081 black white 212 422 660 88 300 1468 1046 601 879