Question

Write C++ program which allows a teacher to determine the min, max, and average grade from

grades entered. The teacher will continuously enter grades until the sentinel is specified. For
this example, a grade of -1 will be used to denote grading is completed. The min, max, and
average grade should then be displayed to the teacher. This program should not accept invalid
grades to be used [0, 100].

Answer 1

A C++ program for teachers calculates the minimum, maximum, and average grades from a set of entered values, with the sentinel value -1 signifying the end of input. It ensures data integrity by only accepting valid grades between 0 and 100.

Step-by-step explanation:

C++ Program for Calculating Grades

When a teacher wants to compute the minimum, maximum, and average grade from a set of entered grades, a C++ program can be an effective tool. The program should allow for continuous input of grades until a sentinel value, in this case, -1, is entered to signify completion. To ensure the accuracy of data, the program will not accept grades outside the valid range of 0 to 100.

To implement this, we can use a loop to collect the inputted grades, validate them, and calculate the min, max, and average accordingly. Here's a simplified structure for such a program:

Calculate the average grade.

Display the minimum, maximum, and average grades.

Through this approach, the teacher will get the grading insights needed with data integrity maintained by validating grade input.