To test the female students higher than of the males mean test
A sample of grades of both males and females in MAT 561 is:
Males
|
72, 69, 98, 66, 85, 76, 79, 80, and 77
|
Females
|
81, 67, 90, 78, 81, 80, and 76
|
At the 0.01 level of significance, is the mean grade of the female students higher than that of males?