Modify the above program to round the average test score. For example, if the average is 15.55, it should be rounded to 16. Modify the average test score program to display the fractional part as...

Modify the above program to round the average test score. For example, if the average

is 15.55, it should be rounded to 16.

Modify the average test score program to display the fractional part as well. Display