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3. A trial compares a new drug to that considered standard care in patients undergoing knee replacement surgery. The outcome of interest is whether patients report a reduction in pain by 3+ scale points or not. Construct a 95% confidence interval for the difference in proportions of patients between treatments who report a pain reduction of 3+ points. Reduction of 3+ Points Treatment n Number Proportion New Drug 50 40 0.8 Standard 50 15 0.3

3. A trial compares a new drug to that considered standard care in patients undergoing knee replacement surgery. The outcome of interest is whether patients report a reduction in pain by 3+ scale points or not. Construct a 95% confidence interval for the difference in proportions of patients between treatments who report a pain reduction of 3+ points. Reduction of 3+ Points Treatment n Number Proportion New Drug 50 40 0.8 Standard 50 15 0.3

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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3. A trial compares a new drug to that considered standard care in patients undergoing knee replacement surgery. The outcome of interest is whether patients report a reduction in pain by 3+ scale points or not. Construct a 95% confidence interval for the difference in proportions of patients between treatments who report a pain reduction of 3+ points. Reduction of 3+ Points Treatment n Number Proportion New Drug 50 40 0.8 Standard 50 15 0.3
Transcribed Image Text:3. A trial compares a new drug to that considered standard care in patients undergoing knee replacement surgery. The outcome of interest is whether patients report a reduction in pain by 3+ scale points or not. Construct a 95% confidence interval for the difference in proportions of patients between treatments who report a pain reduction of 3+ points. Reduction of 3+ Points Treatment n Number Proportion New Drug 50 40 0.8 Standard 50 15 0.3
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