Tough course? A friend tells you, In the 7:30 A.M. lecture for Statistics 101, 9 students failed,

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Tough course? A friend tells you, “In the 7:30 A.M. lecture for Statistics 101, 9 students failed, but 20 students failed in the 1:30 P.M. lecture. The 7:30 A.M. prof is a tougher grader than the 1:30 P.M. teacher.” Explain why the conclusion may not be true. What additional information would you need to compare the classes?

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Statistics Concepts And Controversies

ISBN: 9781429277761

7th Edition

Authors: David S Moore, William I Notz

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