9.48 Tai Chi and Fibromyalgia A new study (Exercise 7.13) indicates that tai chi, an ancient Chi- nese 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 (n = 33), or attend a wellness education class (n = 33).16 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 a =0.01.

b. Find the p-value for the test in part

a. How would you describe the significance or non-significance of the test?

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