Suppose you have scores of 80, 84, 87, and 89 on quizzes in a mathematics class. a.

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Suppose you have scores of 80, 84, 87, and 89 on quizzes in a mathematics class.

a. What is the mean of these scores?

b. What score would you need on the next quiz to have an overall mean of 88?

c. If the maximum score on a quiz is 100, is it possible to have a mean of 90 after the fifth quiz? Explain.

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Statistical Reasoning for Everyday Life

ISBN: 978-0321817624

4th edition

Authors: Jeff Bennett, Bill Briggs, Mario F. Triola

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Question Posted: Dec 23, 2015 07:29 AM

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Suppose you have scores of 80, 84, 87, and 89 on quizzes in a mathematics class. a.

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a Mean Total of values Total number of Values 80848789 4 850 b Since the mean will be the tot...View the full answer

Statistical Reasoning for Everyday Life

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