4. 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. The data are shown in Table 7-8. Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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Hello please help with question 4. Thank you 

4. 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. The data are shown in Table 7-8. Is there
a significant difference in the proportions of patients
reporting pain relief? Run the test at a 5% level of
significance.
Transcribed Image Text:4. 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. The data are shown in Table 7-8. 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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