Grade Book
Suppose a teacher has five students who have taken four tests. The teacher uses the following grading scale to assign a letter grade to a student, based on the average of his or her four test scores.
Test Score | Letter Grade |
90–100 | A |
80–89 | B |
70–79 | C |
60–69 | n |
0–59 | F |
Create an application that uses an array of strings to hold the five student names, an array of five strings to hold each student’s letter grades, and five arrays of four single precision numbers to hold each student’s set of test scores.
Equip the application with a menu or a set of buttons that allows the application to perform the following:
• Display a form that allows the user to enter or change the student names and their test scores.
• Calculate and display each student’s average test score and a letter grade based on the average.
Input validation: Do nor accept test scores less than zero or greater than 100.
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