Discussion:
Q: 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 and the outcome is pain relief within 30 minutes. Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance.
The data is shown below
Pain Relief No Pain Relief
new medication 44 76
Placebo 21 99