For the hypotheses in Problem 22, the null hypothesis is not rejected. Problem 22 In 2014, the
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For the hypotheses in Problem 22, the null hypothesis is not rejected.
Problem 22
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.
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