A guidance counselor claims that students who take the SAT twice will improve their scores the second
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A guidance counselor claims that students who take the SAT twice will improve their scores the second time they take the SAT. The table shows both math SAT scores for 12 students who took the SAT twice. At \(\alpha=0.01\), can you support the guidance counselor's claim?
(a) identify the claim and state \(H_{0}\) and \(H_{a}\),
(b) find the critical value,
(c) find the test statistic,
(d) decide whether to reject or fail to reject the null hypothesis,
(e) interpret the decision in the context of the original claim.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9781292260464
7th Global Edition
Authors: Betsy Farber, Ron Larson
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