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  3. a clinical trial is conducted comparing a new pain

A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants...

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Question

Basic Math

A clinical trial is conducted comparing a new pain reliever forarthritis to a placebo. Participants are randomly assigned toreceive the new treatment or a placebo and the outcome is painrelief within 30 minutes. The data are shown here.

Pain ReliefNo Pain Relief
New Medication4575
Placebo20100

Is there a significant difference in the proportions of

patients reporting pain relief?

Run the test at a 5% level of significance.

H0: p1= p2(equivalent to RD = 0, RR=1 or OR=1)

Can they reject the H0?

Group of answer choices

Yes, Reject H0, there is a statistically significant differencein the proportions of patients reporting pain relief in the newmedication and placebo groups

No, Fail to Reject H0, there is no statistically significantdifference in the proportions of patients reporting pain reliefbetween the new medication and placebo groups

Not enough information to answer this research question

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