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Mathematics, 21.02.2020 22:43 01222002

The city's PR manager claimed the mean score of all ninth graders in the city was 83 (because the average of 81, 96, and 72 is 83). Of course, that is incorrect. Write a sentence or two to explain why this approach is incorrect.

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The city's PR manager claimed the mean score of all ninth graders in the city was 83 (because the av...
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