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A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are ran- domly assigned to receive the new treatment or a placebo, and the outcome is pain relief within 30 min- utes. The data are shown in Table 7–8. Is there a sig- nificant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of sig- nificance.

A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are ran- domly assigned to receive the new treatment or a placebo, and the outcome is pain relief within 30 min- utes. The data are shown in Table 7–8. Is there a sig- nificant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of sig- nificance.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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TABLE 7-8 Data for Practice Problem 4 Pain Relief No Pain Relief New Medication 44 76 Placebo 21 99
Transcribed Image Text:TABLE 7-8 Data for Practice Problem 4 Pain Relief No Pain Relief New Medication 44 76 Placebo 21 99
A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are ran- domly assigned to receive the new treatment or a placebo, and the outcome is pain relief within 30 min- utes. The data are shown in Table 7-8. Is there a sig- nificant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of sig- nificance.
Transcribed Image Text:A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are ran- domly assigned to receive the new treatment or a placebo, and the outcome is pain relief within 30 min- utes. The data are shown in Table 7-8. Is there a sig- nificant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of sig- nificance.
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