Question

The grade distribution for the midterm in your math class with 45 students is given as follows. This is a weighted average question.

Ten(10) students earned between 60 & 69, Fifteen(15) students earned between 70 & 79, Fifteen(15) students earned between 80 & 89, and Five(5) students earned between 90 & 100.

A. The highest possible class average (mean) for thsi exam is?

B. THe lowest possible class avearage (mean) for this exam is?

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