Question: A new study (Exercise 7.12) indicates that tai chi, an ancient Chinese practice of exercise and meditation, may relieve symptoms of chronic painful fibromyalgia. The

A new study (Exercise 7.12) indicates that tai chi, an ancient Chinese practice of exercise and meditation, may relieve symptoms of chronic painful fibromyalgia. The study assigned 66 fibromyalgia patients to take either a 12- week tai chi class (n1 = 33), or attend a wellness education class (n2 = 33). The results of the study are shown in the following table:

a. Is there a significant difference in the proportion of all fibromyalgia patients who would admit to feeling better after taking the tai chi class compared to the wellness education class? Use Î± = .01.
b. Find the p-value for the test in part a. How would you describe the significance or non-significance of the test?

Tai Chi Wellness Education Number Who Felt Better at End of Course 26 13

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