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v Parameter of Interest v Null and Alternative Hypothesis v Test Statistic: v Reject the Null Hypothesis it. v Conclusion:

v Parameter of Interest v Null and Alternative Hypothesis v Test Statistic: v Reject the Null Hypothesis it. v Conclusion:

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A quality inspector measured the diameter of a ball bearing using a new type of caliper. The results were as follows (in mm): 0.265, 0.263, 0.266, 0.267, 0.267, 0.265, 0.267,0.267, 0.265, 0.268, 0.268, and 0.263. Use the Wilcoxon signed-rank test to evaluate the claim that the mean ball diameter is 0.265 mm. Use a = 0.05. Match the answers. v Parameter of Interest a. HH = 0.265 v Null and Alternative Hypothesis H > 0.265 v Test Statistic: b.r = min (R +.R-) v Reject the Null Hypothesis if c. H = 0.265 v Conclusion: H:u < 0.265 d. w < wa os -12 = 13 e. Mean ball diameter f. w S Wo.05, n=9 = 5 g. Fail to reject the null hypothesis. w = 9 is not less than or equal to the critical value w* 0.05.n=9 h. Reject the null hypothesis. The mean ball diameter claim is not 0.265 mm. i. HH = 0.265 HH + 0.265 w = min (w+,w")
Transcribed Image Text:A quality inspector measured the diameter of a ball bearing using a new type of caliper. The results were as follows (in mm): 0.265, 0.263, 0.266, 0.267, 0.267, 0.265, 0.267,0.267, 0.265, 0.268, 0.268, and 0.263. Use the Wilcoxon signed-rank test to evaluate the claim that the mean ball diameter is 0.265 mm. Use a = 0.05. Match the answers. v Parameter of Interest a. HH = 0.265 v Null and Alternative Hypothesis H > 0.265 v Test Statistic: b.r = min (R +.R-) v Reject the Null Hypothesis if c. H = 0.265 v Conclusion: H:u < 0.265 d. w < wa os -12 = 13 e. Mean ball diameter f. w S Wo.05, n=9 = 5 g. Fail to reject the null hypothesis. w = 9 is not less than or equal to the critical value w* 0.05.n=9 h. Reject the null hypothesis. The mean ball diameter claim is not 0.265 mm. i. HH = 0.265 HH + 0.265 w = min (w+,w")
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