A mathematics instructor assigns letter grades according to the following scale.

Question

A mathematics instructor assigns letter grades according to the following scale. Up to but less than 70% 80% 90% 100% (including 100%) Grade From 60% 70% 80% 90% grade. (Let D-1, C-2 B-3, and A-4. Graph the ordered pairs (p, g), where p represents the percent and g represents the Tools Actions 1. Select an object from the Tools menu to the left. 2. Enter coordinates in Object Properties below, or use the mouse to place and move objects. To enter a fractional or decimal coordinate, use Object Properties. No View our tutorial videos Select a Tool or Object to Begin 9 Help WebAssign graphing tool Find the final semester grade of a student who has test scores of 64%, 75%, 83%, 88%, and 979.

Explanation / Answer

Taking the average of all the test scores we have,

(64 +75 + 83 + 88 + 97)/ 5 = 81.4

It lies between 80 and 90 percent, therefore the grade will be B  

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