b) Fill in the expected values, round answers to at least 2 decimal places. Expected Pain Free: Pain Free: No Values Yes Treatment Control Pain Answers show Pain Free: Free: on last attempt Yes No Treatment Control c) Find the test statistic, round answer to at least 3 decimal places. d) What is the p-value? Round answer to at least 3 decimal places e) What is the correct conclusion? O There is no statistical evidence that migraine pain relief is dependent on receiving acupuncture. O There is statistical evidence that migraine pain relief is dependent on receiving acupuncture.

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Chapter1: Starting With Matlab
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b) Fill in the expected values, round answers to at least 2 decimal places.
Expected
Pain Free:
Pain Free: No
Values
Yes
Treatment
Control
Pain
Answers show
Pain Free:
Free:
on last attempt
Yes
No
Treatment
Control
c) Find the test statistic, round answer to at least 3 decimal places.
d) What is the p-value? Round answer to at least 3 decimal places
e) What is the correct conclusion?
O There is no statistical evidence that migraine pain relief is dependent on receiving
acupuncture.
There is statistical evidence that migraine pain relief is dependent on receiving acupuncture.
Transcribed Image Text:b) Fill in the expected values, round answers to at least 2 decimal places. Expected Pain Free: Pain Free: No Values Yes Treatment Control Pain Answers show Pain Free: Free: on last attempt Yes No Treatment Control c) Find the test statistic, round answer to at least 3 decimal places. d) What is the p-value? Round answer to at least 3 decimal places e) What is the correct conclusion? O There is no statistical evidence that migraine pain relief is dependent on receiving acupuncture. There is statistical evidence that migraine pain relief is dependent on receiving acupuncture.
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 156 patients diagnosed with
migraine headaches were randomly assigned to one of two groups: treatment or control. 67
patients in the treatment group received acupuncture that is specifically designed to treat
migraines. 89 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 = 0.05.
Pain Free: Yes
Pain Free: No
Total
Treatment
19
48
67
Control
4
85
89
Total
23
133
156
a) What is the correct null hypothesis?
Ho: P1
P2 = P3 = P4
Họ: Migraine pain relief is independent on receiving acupuncture.
O Ho: Migraine pain relief is dependent on receiving acupuncture.
O Ho: P1 # p2 7 p3 # P4
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 156 patients diagnosed with migraine headaches were randomly assigned to one of two groups: treatment or control. 67 patients in the treatment group received acupuncture that is specifically designed to treat migraines. 89 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 = 0.05. Pain Free: Yes Pain Free: No Total Treatment 19 48 67 Control 4 85 89 Total 23 133 156 a) What is the correct null hypothesis? Ho: P1 P2 = P3 = P4 Họ: Migraine pain relief is independent on receiving acupuncture. O Ho: Migraine pain relief is dependent on receiving acupuncture. O Ho: P1 # p2 7 p3 # P4
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