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The grades received on a test by twenty students were: 100, 55, 75, 80, 65, 85, 90, 80, 45, 40, 50, 85, 85, 80, 80, 70, 65, and 60. What is the average?
10 years ago

Answers

Ms. Sue
You seem to be missing two scores.

Find the missing scores. Add all of the scores together and divide by 20.

10 years ago

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