Refer to Exercise 8.S.16. Analyze these data using a Wilcoxon signed - rank test. Exercise 8.S.16 Aldosterone

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Refer to Exercise 8.S.16. Analyze these data using a Wilcoxon signed - rank test.
Exercise 8.S.16
Aldosterone is a hormone involved in maintaining fluid balance in the body. In a veterinary study, six dogs with heart failure were treated with the drug Captopril, and plasma concentrations of aldosterone were measured before and after the treatment. The results are given in the table below.34 Consider a sign test, using a non directional alternative, to investigate the claim that Captopril affects aldosterone level.
Refer to Exercise 8.S.16. Analyze these data using a Wilcoxon

What is the value of the test statistic?
The p-value for the sign test is 0.031. If α = 0.10, what is your conclusion?

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Statistics For The Life Sciences

ISBN: 9780321989581

5th Edition

Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner

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