A researcher wishes to determine whether ethnicity and marital status are factors in the performance of university students during their senior year. The dependent variable is grade-point average (GPA) on a 4.0 scale.
- Describe the kind of a factorial ANOVAthis is (2x2, etc).
- How many Fvalues will be calculated in the course of completing this problem?
- Are there significant differences related to ethnicity?
- Are there significant differences related to martial status?
- Is the interaction of marital status and ethnicity significant?
Homework Answers
(a) This is a 3 x 2 factorial design
(b) Three F values will be calculated
Assume α = 0.05
(c) There are no significant differences related to ethnicity because the p- value > α
(d) There are significant differences related to marital status because the p- value < α
(e) Interaction of marital status and ethnicity is significant since the p- value < α
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