You want to compare years of schooling among American adults who describe their political veiwpoint as liberal, moderate, or conservative. You gather a random sample of American adults in each of these three categories of political viewpoint.
a) State the appropriate null hypothesis in both symbols and words.
b) What additional information do you need about these three samples to conduct ANOVA?
c) What additional information do you need in order to assess whether the conditions for ANOVA are satisfied?