单选题When the average of a list of course grades is multiplied by the number of courses, the result is n. What does n represent?A Half the number of coursesB Half the sum of course gradesC The number of coursesD The average of the course gradesE The sum of
题目
单选题
When the average of a list of course grades is multiplied by the number of courses, the result is n. What does n represent?
A
Half the number of courses
B
Half the sum of course grades
C
The number of courses
D
The average of the course grades
E
The sum of the course grades