29. What is your conclusion? Do you reject the null hypothesis or fail to reject the null hypothesis?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
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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
are as follows:
%3D
Pain
Pain
D scores
D2
SS
variance ofD=s²
df
Before
After
7
4
SMD
n
9
4
n
5
t = Mp/ SMR.
3
%3D
4
1
|
29. What is your conclusion? Do you reject the null hypothesis or fail to reject the null hypothesis?
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 are as follows: %3D Pain Pain D scores D2 SS variance ofD=s² df Before After 7 4 SMD n 9 4 n 5 t = Mp/ SMR. 3 %3D 4 1 | 29. What is your conclusion? Do you reject the null hypothesis or fail to reject the null hypothesis?
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