8. Refer to the previous exercise, using the black sample only

a) Conduct an ANOVA comparing the two groups. Interpret.

b) How does your analysis relate to the methods of Chapter 7 for comparing means?

c) How, if at all. would the results differ if you used ideology scores (i) (-3, -2, -1, 0. 1, 2, 3). (u) (10. 20, 30, 40, 50, 60, 70)?