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Researchers conducted a study to determine whether magnets are effective in treating back pain. The results are shown in the table for the treatment (with magnets) group and the sham (or placebo) group. The results are a measure of reduction in back pain. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Treatment Sham H1 #2 12 12 0.55 0.38 0.95 1.31 a. Use a 0.05 significance level to test the claim that those treated with magnets have a greater mean reduction in pain than those given a sham treatment. What are the null and alternative hypotheses? 8. Ho: H1=H2 H1: #1##2 OA Ho: H1< H2 Ho H1=H2 Ho: H1#H2 H: H1 H2 H1 H1<#2 The test statistic, t, is 0.36. (Round to two decimal places as needed.) clinical The P-value is 0.639 (Round to three decimal places as needed.) Get more help- Clear all Check answer

Researchers conducted a study to determine whether magnets are effective in treating back pain. The results are shown in the table for the treatment (with magnets) group and the sham (or placebo) group. The results are a measure of reduction in back pain. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Treatment Sham H1 #2 12 12 0.55 0.38 0.95 1.31 a. Use a 0.05 significance level to test the claim that those treated with magnets have a greater mean reduction in pain than those given a sham treatment. What are the null and alternative hypotheses? 8. Ho: H1=H2 H1: #1##2 OA Ho: H1< H2 Ho H1=H2 Ho: H1#H2 H: H1 H2 H1 H1<#2 The test statistic, t, is 0.36. (Round to two decimal places as needed.) clinical The P-value is 0.639 (Round to three decimal places as needed.) Get more help- Clear all Check answer

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Researchers conducted a study to determine whether magnets are effective in treating back pain. The results are shown in the table for the treatment (with magnets) group and the sham (or placebo) group. The results are a measure of reduction in back pain. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Treatment Sham 12 12 0.55 0.38 0.95 1.31 a. Use a 0.05 significance level to test the claim that those treated with magnets have a greater mean reduction in pain than those given a sham treatment. What are the null and alternative hypotheses? OA. Ho: H1<H2 8. Ho: H1 = H2 HH12H2 H1: P1##2 Ho: H1= H2 Họ: H1 H2 Hi: H1>H2 H1: H1<H2 The test statistic, t, is 0.36. (Round to two decimal places as needed.) clinical The P-value is 0.639. (Round to three decimal places as needed.) Get more help - Clear all Check answer esc 2#3 %24 tab
Transcribed Image Text:Researchers conducted a study to determine whether magnets are effective in treating back pain. The results are shown in the table for the treatment (with magnets) group and the sham (or placebo) group. The results are a measure of reduction in back pain. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Treatment Sham 12 12 0.55 0.38 0.95 1.31 a. Use a 0.05 significance level to test the claim that those treated with magnets have a greater mean reduction in pain than those given a sham treatment. What are the null and alternative hypotheses? OA. Ho: H1<H2 8. Ho: H1 = H2 HH12H2 H1: P1##2 Ho: H1= H2 Họ: H1 H2 Hi: H1>H2 H1: H1<H2 The test statistic, t, is 0.36. (Round to two decimal places as needed.) clinical The P-value is 0.639. (Round to three decimal places as needed.) Get more help - Clear all Check answer esc 2#3 %24 tab
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