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A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are randomly assigned to receive the new treatment or a placebo. The outcome is pain relief within 30 minutes. The data are shown in table:

Pain relief no Pain relief
New medication 44 76
Placebo 21 99

Is there a significant difference in the proportions of patients reporting pain relief?

Run the test at a 5% level of significance.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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