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In a Study to Investigate the Effect of Diet on Reducing

Question 30

Multiple Choice

In a study to investigate the effect of diet on reducing cholesterol levels,a random sample of five subjects known to have high cholesterol had their cholesterol measured at the beginning of the study and after 6 months on a special diet.The data are given in the table below. In a study to investigate the effect of diet on reducing cholesterol levels,a random sample of five subjects known to have high cholesterol had their cholesterol measured at the beginning of the study and after 6 months on a special diet.The data are given in the table below. The data are to be analyzed using the Wilcoxon signed rank test.What is the standardized value z of W<sup>+</sup>? A) 0.40 B) 0.95 C) 1.48 D) 3.51 The data are to be analyzed using the Wilcoxon signed rank test.What is the standardized value z of W+?


A) 0.40
B) 0.95
C) 1.48
D) 3.51

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