MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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26

For #20 - 29: A researcher would like to evaluate the effectiveness of a pain-relief patch designed for back pain.
Prior to testing the patch, each of the patients (n = 7) rated their current level of back pain on a scale from 1 to 10.
After wearing the patch for 90 minutes, a second pain rating is recorded. The data in this repeated-measures design
%3D
are as follows:
Pain
Pain
D scores
D2
SS
variance of D=s²
df
Before
After
7
3
4
SMD
n
9
4
n
2
3
t = Mp / SMR.
4
1
26. What is the error term (SMp) for your t-test?
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Transcribed Image Text:For #20 - 29: A researcher would like to evaluate the effectiveness of a pain-relief patch designed for back pain. Prior to testing the patch, each of the patients (n = 7) rated their current level of back pain on a scale from 1 to 10. After wearing the patch for 90 minutes, a second pain rating is recorded. The data in this repeated-measures design %3D are as follows: Pain Pain D scores D2 SS variance of D=s² df Before After 7 3 4 SMD n 9 4 n 2 3 t = Mp / SMR. 4 1 26. What is the error term (SMp) for your t-test?
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