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,...

Extracted 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 151 patients diagnosed with migraine headaches were randomly assigned to one of two groups: treatment or control. 70 patients in the treatment group received acupuncture that is specifically designed to treat migraines. 81 patients in the control group received placebo acupuncture (needle insertion at non-acupoint locations). 24 hours after patients received acupuncture, they were asked 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 = 0.01. Pain Free: Pain Free: Total Yes No Treatment 14 56 70 Control 8 73 81 Total 22 129 151


Extracted text: b) Fill in the expected values, round answers to at least 2 decimal places. Expected Pain Free: Yes Pain Free: N Values Treatment Control Pain Answers show Pain Free: Free: on last attempt Yes No Treatment Control