Does college grade point average (GPA) depend on gender? Does it depend on class (freshman, sophomore, junior, senior)? In a study, the following GPA data were obtained for random samples of college...

Extracted text: Does college grade point average (GPA) depend on gender? Does it depend on class (freshman, sophomore, junior, senior)? In a study, the following GPA data were obtained for random samples of college students in each of the cells. Class Gender Freshman Sophomore Junior Senior 2.1 3.0 2.8 2.5 2.3 3.1 2.9 3.8 3.8 3.6 Male 2.7 2.9 3.5 3.2 3.5 3.1 2.3 2.9 2.6 2.4 2.6 3.6 3.2 3.5 3.6 Female 3.5 3.9 3.3 3.6 3.3 3.7 3.8 Minitab Printout of GPA Based on Gender and Class Analysis of Variance for GPA Source DF MS F P Gender 1 0.281 0.281 1.26 0.273 Class 3 2.226 0.742 3.32 0.037 Interaction 0.286 0.095 0.43 0.736 Error 24 5.365 0.224 Total 31 8.159 (a) List the factors and the number of levels of each factor. (Select all that apply.) O class, with five levels U income, with four levels O gender, with two levels O class, with four levels O GPA, with three levels O GPA, with four levels (b) Use two-way ANOVA and the Minitab printout to determine if there is any evidence of interaction between the two factors at a level of significance of 0.1. F = P-value = At the 10% level of significance, ---Select--- V Ho. The data --Select--- between factors. (c) If there is no evidence of interaction, use two-way ANOVA and the Minitab printout to determine if there is a difference in mean GPA based on class. Use a = 0.1. (Enter NONE in any unused answer blanks.) F = P-value = At the 10% level of significance, ---Select--- ♥ Ho- (d) If there is no evidence of interaction, use two-way ANOVA and the Minitab printout to determine if there is a difference in mean GPA based on gender. Use a = 0.1. (Enter NONE in any unused answer blanks.) F= P-value = At the 10% level of significance, ---Select--- ♥ Ho- ONM n