I need to determine the expected values and find the test statistic and the p val
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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Question
I need to determine the
![Expected
Values
Treatment
Control
Pain Free: Yes
Pain Free: No](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3268b88a-f4fb-4fae-897e-35b47f1612ff%2Fd33f1952-3164-4dab-b8a1-f9ba15683100%2Fck5m4szuw_processed.png&w=3840&q=75)
Transcribed Image Text:Expected
Values
Treatment
Control
Pain Free: Yes
Pain Free: No
![Migraine and Acupuncture: A migraine is a particularly painful type of headache, which patients
sometimes wish to treat with acupuncture. To determine whether acupuncture relieves migraine pain,
researchers conducted a randomized controlled study where 162 patients diagnosed with migraine
headaches were randomly assigned to one of two groups: treatment or control. 75 patients in the
treatment group received acupuncture that is specifically designed to treat migraines. 87 patients in the
control group received placebo acupuncture (needle insertion at non-acupoint locations). 24 hours after
patients received acupuncture, they were asked if they were pain free. Results are summarized in the
contingency table below. Test to see if migraine pain relief is dependent on receiving acupuncture. Use a
= .10.
Treatment
Control
Total
Pain Free: Yes Pain Free: No
19
8
27
56
79
135
Total
75
87
162](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3268b88a-f4fb-4fae-897e-35b47f1612ff%2Fd33f1952-3164-4dab-b8a1-f9ba15683100%2F947reac_processed.png&w=3840&q=75)
Transcribed Image Text:Migraine and Acupuncture: A migraine is a particularly painful type of headache, which patients
sometimes wish to treat with acupuncture. To determine whether acupuncture relieves migraine pain,
researchers conducted a randomized controlled study where 162 patients diagnosed with migraine
headaches were randomly assigned to one of two groups: treatment or control. 75 patients in the
treatment group received acupuncture that is specifically designed to treat migraines. 87 patients in the
control group received placebo acupuncture (needle insertion at non-acupoint locations). 24 hours after
patients received acupuncture, they were asked if they were pain free. Results are summarized in the
contingency table below. Test to see if migraine pain relief is dependent on receiving acupuncture. Use a
= .10.
Treatment
Control
Total
Pain Free: Yes Pain Free: No
19
8
27
56
79
135
Total
75
87
162
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