We want to see if Democrats, Independents, and Republicans differ in income (measured in dollars). Which is the best statistical procedure to use?
A) a chi-square test
B) a confidence interval
C) a t-test
D) ANOVA

Name: We want to see if Democrats, Independents, and Republicans differ in income (measured in dollars). Which is the best statistical procedure to use? A) a chi-square test B) a confidence interval C) a t-test D) ANOVA
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There are three groups and we want to see if the means differ.

We Want to See If Democrats, Independents, and Republicans Differ