A clinical trial is conducted comparing a new pair reliever for arthritis to a placebo. Participants are randomly assigned to receive the new treatment or a placebo and the outcome is pain relief within 30 minutes. The data are shown in Table 7-54. Is there a significant difference in the proportions of patients reporting pan relief? Run the test at a 5% level of significance.
Table 7-54: Pain Relief by Treatment
Pain Relief No Pain Relief
New Medication 44 76
Placebo 21 99
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