In a study designed to test the effectiveness of magnets for treating back? pain, 40 patients...
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In a study designed to test the effectiveness of magnets fortreating back? pain, 40 patients were given a treatment withmagnets and also a sham treatment without magnets. Pain wasmeasured using a scale from 0? (no pain) to 100? (extreme pain).After given the magnet? treatments, the 40 patients had pain scoreswith a mean of 10.0 and a standard deviation of 2.8. After beinggiven the sham? treatments, the 40 patients had pain scores with amean of 9.8 and a standard deviation of 2.32. Complete parts? (a)through? (c) below.
a. Construct the 99?% confidence interval estimate of the meanpain score for patients given the magnet treatment.
What is the confidence interval estimate of the population mean???
__
b. Construct the 99% confidence interval estimate of the meanpain score for patients given the sham treatment.
What is the confidence interval estimate of the population mean???
__
In a study designed to test the effectiveness of magnets fortreating back? pain, 40 patients were given a treatment withmagnets and also a sham treatment without magnets. Pain wasmeasured using a scale from 0? (no pain) to 100? (extreme pain).After given the magnet? treatments, the 40 patients had pain scoreswith a mean of 10.0 and a standard deviation of 2.8. After beinggiven the sham? treatments, the 40 patients had pain scores with amean of 9.8 and a standard deviation of 2.32. Complete parts? (a)through? (c) below.
a. Construct the 99?% confidence interval estimate of the meanpain score for patients given the magnet treatment.
What is the confidence interval estimate of the population mean???
__
b. Construct the 99% confidence interval estimate of the meanpain score for patients given the sham treatment.
What is the confidence interval estimate of the population mean???
__
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