Problem

Test Score Average formCreate an application that allows the user to enter five test score...

Test Score Average form

Create an application that allows the user to enter five test scores. It should be able to calculate and display the average score. The application’s form should resemble the one shown in Figure. If the user fails to enter numeric values, display an appropriate error message and do not attempt to perform calculations.

Use the following test data to determine if the application is calculating properly:

Test Scores	Averages
Test Score 1: 85	Average: 86.60
Test Score 2: 90
Test Score 3: 78
Test Score 4: 88
Test Score 5: 92
Test Score 1: 90	Average: 70.00
Test Score 2: 80
Test Score 3: 70
Test Score 4: 60
Test Score 5: 50
Test Score 1: 100	Average: 82.2
Test Score 2: 92
Test Score 3: 56
Test Score 4: 89
Test Score 5: 74

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