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posted by desiree on Wednesday, February 20, 2013 at 8:09pm.

Brooke received these quiz scores 86 54 90 81 74 whats her mean score

(86 + 54 + 90 + 81 + 74) / 5 = ? I'll be glad to check your answer.

Add up all of the scores and then divide by 5 since you have 5 scores.

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