Magnet ProblemResearchers conducted a study to determine whether magnets are effective in treating back pain. The results are shown in the table below. The results are a measure of reduction in back pain. Assume that the two samples are independent random samples. TreatmentShamμμ₁μ₂n2121x̄0.590.45s0.521.43Use 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.Determine the test statistic.Round your answer to 2 decimal places.

Answered: Magnet Problem Researchers conducted a…

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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Magnet Problem
Researchers conducted a study to determine whether magnets are effective in treating back pain. The results are shown in the table below. The results are a measure of reduction in back pain. Assume that the two samples are independent random samples.

	Treatment	Sham
μ	μ₁	μ₂
n	21	21
x̄	0.59	0.45
s	0.52	1.43

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.

Determine the test statistic.
Round your answer to 2 decimal places.

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