Refer to Example 10, Arthroscopic Surgery. Here we show MINITAB output comparing mean knee pain scores for
Question:
a. State and interpret the result of the confidence interval.
b. State all steps and interpret the result of the significance test.
c. Based on the confidence interval and test, would you conclude that the arthroscopic surgery works better than placebo? Explain.
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a The confidence interval is 83 87 We can be 95 confident that the population mean difference is bet...View the full answer
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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