A company claims that the median credit score for U.S. adults is at least 710 . The

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A company claims that the median credit score for U.S. adults is at least 710 . The credit scores for 13 randomly selected U.S. adults are listed below. At $\alpha=0.05$, can you reject the company'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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Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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Question Posted: May 05, 2024 09:01 AM

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A company claims that the median credit score for U.S. adults is at least 710 . The

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Elementary Statistics Picturing The World

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