In 2014, the standard deviation of SAT score on the Critical Reading Test for all students taking

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In 2014, the standard deviation of SAT score on the Critical Reading Test for all students taking the exam was 112. A teacher believes that, due to changes to high school curricula, the standard deviation of SAT math scores has decreased.

(a) Determine the null and alternative hypotheses,

(b) Explain what it would mean to make a Type I error,

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Fundamentals Of Statistics

ISBN: 9780134508306

5th Edition

Authors: Michael Sullivan

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Question Posted: Sep 07, 2018 11:07 AM

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In 2014, the standard deviation of SAT score on the Critical Reading Test for all students taking

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a H 0 112 H 1 112 b Making a Type I error would mean concluding that the standard deviati...View the full answer

Fundamentals Of Statistics

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