The array is:
[0] [1]
[2] [3]
studentGrades[0]
77 68
86 73
studentGrades[1]
96 87
89 78
studentGrades[2]
70 90
86 81
Lowest grade: 68
Highest grade: 96
The average grade for
student 0 is 76.00
The average grade for
student 1 is 87.50
The average grade for
student 2 is 81.75