In this exercise, we will examine the attitudes of liberals and conservatives toward affirmative action policies in the workplace. Data from the 2010 GSS reveal that 12% of conservatives (N= 336) and 27% of liberals (N= 267) indicate that they "strongly support" or "support" affirmative action policies for African Americans in the workplace.
a. What is the appropriate test statistic? Why?
b. Test the null hypothesis with a one-tailed test (conservatives are less likely to support affirmative action policies than liberals); α = .05. What do you conclude about the difference in attitudes between conservatives and liberals?
c. If you conducted a two-tailed test with α = .05, would your decision have been different?