1. The Student Assistwritship Committee head is examining the Grade Point Average (GPA) of the student assistant (SA]. In previous yours, record shows Put the GPA of the 5As in her lower years was 2 43. A sample of 30 SAs wive chosen at Handon and found out that their GPA In fourth year is 2.62 with standard deviation of 0.74. At = 0.01, can the Student Assistantship Commitee head claim that the FPA of the SAs decreased significantly in their Last year in college? Sup 4: Critical Values Jsup &: Conclusioninterpretation