Refer to Exercise 8.S.16. Analyze these data using a Wilcoxon signed - rank test. Exercise 8.S.16 Aldosterone
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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.
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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Related Book For
Statistics For The Life Sciences
ISBN: 9780321989581
5th Edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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