6. 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 7-54. Is there a significant difference in the proportions of patients reporting pain reļief? Run the test at a 5% level of significance.

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TABLE 7-54 Pain Relief by Treatment
Pain Relief
No Pain Relief
New medication
44
76
Placebo
21
99
Transcribed Image Text:TABLE 7-54 Pain Relief by Treatment Pain Relief No Pain Relief New medication 44 76 Placebo 21 99
6. 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 7–54. 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:6. 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 7–54. 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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