Use the Following Information for Questions

Use the following information for questions:
On a survey conducted at a university, students were asked how they felt about their weight (about right, overweight, or underweight) , and also were asked to record their grade point average (GPA) . There were 234 responses, with 160 saying their weight was about right, 50 said they were overweight, and 17 underweight. The question of interest is whether mean GPA is the same or differs for different weight attitude populations. Minitab output for the study is given below.

-What is the appropriate conclusion to draw from this analysis?

A) If a student is underweight he (she) should gain weight in order to raise his (her) GPA.
B) Overweight students should go on a diet to lose weight because this will result in a higher GPA.
C) There is no significant difference among the mean GPAs of students in the three weight attitude groups.
D) There is a significant difference among the mean GPAs of students in the three weight attitude groups.