Reference no: EM131742067
Question: A sample of students from our statistics classes reported their GPAs, indicated their genders, and stated whether they were in the university's Greek system (i.e., in a fraternity or sorority). Following are the GPAs for the different groups of students:
Men in a fraternity: 2.6, 2.4, 2.9, 3.0
Men not in a fraternity: 3.0, 2.9, 3.4, 3.7, 3.0
Women in a sorority: 3.1, 3.0, 3.2, 2.9
Women not in a sorority: 3.4, 3.0, 3.1, 3.1
a. What are the independent variables and their levels? What is the dependent variable?
b. Draw a table that lists the cells of the study design. Include the cell means.
c. Conduct all six steps of hypothesis testing.
d. Draw a bar graph for all significant effects.
e. Is there a significant interaction? If yes, describe it in words and indicate whether it is a qualitative or a quantitative interaction. Explain.
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