An association claims that the median annual salary of lawyers is ($ 118,160). In a random sample
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An association claims that the median annual salary of lawyers is \(\$ 118,160\). In a random sample of 125 lawyers, 76 were paid less than \(\$ 118,160\), and 49 were paid more than \(\$ 118,160\). At \(\alpha=0.05\), can you reject the association's claim?
Use a sign test to test the claim by doing the following.
(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.
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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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