In The American Statistician (May 2001), the nonparametric sign test was used to analyze data on the
Question:
a. Set up the null and alternative hypotheses to test whether cohesiveness will deteriorate after storage.
b. In the sample of 20 shrimp, there were 13 positive differences. Use this value to find the p -value of the test.
c. Make the appropriate conclusion (in the words of the problem) if a = .05.
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