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A clinical trial is run to investigate the effectiveness of an experimental drug in reducing high blood pressure in women to a drug considered standard care and to placebo. Women are enrolled and randomly assigned to receive either the experimental drug, the standard drug or placebo. Women are followed through for (< 37 weeks) or not. The data are shown below. Is there a statistically significant difference in the proportions of women having high blood pressure among the three treatment groups? Run the test at a 5% level of significance. Appropriate test? Decision Rule? Test Statistic?   Yes No Total Experimental Drug 7 33 40 Standard Drug 13 32 45 Placebo 17 18 35 Total 37 83 120

A clinical trial is run to investigate the effectiveness of an experimental drug in reducing high blood pressure in women to a drug considered standard care and to placebo. Women are enrolled and randomly assigned to receive either the experimental drug, the standard drug or placebo. Women are followed through for (< 37 weeks) or not. The data are shown below. Is there a statistically significant difference in the proportions of women having high blood pressure among the three treatment groups? Run the test at a 5% level of significance. Appropriate test? Decision Rule? Test Statistic?   Yes No Total Experimental Drug 7 33 40 Standard Drug 13 32 45 Placebo 17 18 35 Total 37 83 120

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A clinical trial is run to investigate the effectiveness of an experimental drug in reducing high blood pressure in women to a drug considered standard care and to placebo. Women are enrolled and randomly assigned to receive either the experimental drug, the standard drug or placebo. Women are followed through for (< 37 weeks) or not. The data are shown below. Is there a statistically significant difference in the proportions of women having high blood pressure among the three treatment groups? Run the test at a 5% level of significance. Appropriate test? Decision Rule? Test Statistic?

 
Yes
No
Total
Experimental Drug
7
33
40
Standard Drug
13
32
45
Placebo
17
18
35
Total
37
83
120
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