Problem 1.28 on page 15 describes a survey of 44 MBA students (stored in GradSurvey). Fo...

Problem 1.28 on page 15 describes a survey of 44 MBA students (stored in GradSurvey). For these data, at the 0.05 level of significance,

a. is there evidence of a difference, based on undergraduate major, in age, undergraduate grade point average, graduate grade point average, expected salary upon graduation, number of text messages sent in a typical week, spending on textbooks and supplies, and the wealth needed to feel rich?

b. is there evidence of a difference, based on graduate major, in age, undergraduate grade point average, graduate grade point average, expected salary upon graduation, number of text messages sent in a typical week, spending on textbooks and supplies, and the wealth needed to feel rich?

c. is there evidence of a difference, based on employment status, in age, undergraduate grade point average, graduate grade point average, expected salary upon graduation, number of text messages sent in a typical week, spending on textbooks and supplies, and the wealth needed to feel rich?