14.54 Political ideology interaction The first table shown summarizes responses on political ideology (where 1 = extremely liberal and 7 = extremely conservative)

from the 2014 GSS by gender and race.

a. From these sample means, is there evidence of a significant interaction? Explain what this means in the context of this example. (Hint: Is the difference between males and females in sample mean ideology about the same for blacks and whites?)

b. From the ANOVA table shown, write a conclusion for testing the null hypothesis of no interaction.

Transcribed Image Text:

Sample means for political ideology by sex and race Female Male Black White 3.82 4.13 3.81 4.22