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Pain Free: Yes Pain Free: No Total Treatment 10 33 43 Control 2 44 46 Total 12 77 89 a) What percent of patients in
| Pain Free: Yes | Pain Free: No | Total | |
|---|---|---|---|
| Treatment | 10 | 33 | 43 |
| Control | 2 | 44 | 46 |
| Total | 12 | 77 | 89 |
a) What percent of patients in the treatment group were pain free 24 hours after receiving acupuncture? % b) What percent of patients in the control group were pain free after 24 hours? %
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