Question: A statistics class taught by Dr. X had 30 students who obtained an average test score of 82.5. A class taught by Dr. Y had

A statistics class taught by Dr. X had 30 students who obtained an average test score of

82.5. A class taught by Dr. Y had 20 students who ended up with an average score of 79.6. Dr. Zee (you guesses it) had 23 students who obtained an average of score 96.0. What was the average score for all the students combined?

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