Week 6: Chapter 3 Test X *Course Hero X *Course Hero x - + X G A https:/ightingale.instructure.com/courses/3345304/assignments/33452482?module_... . . 2022-1 . Question 8 G4pts 01 2 0 Details Home A migraine is a particularly painful type of headache, which patients sometimes wish to treat with Announcements acupuncture. To determine whether acupuncture relieves migraine pain, researchers conducted a randomized controlled study where 89 females diagnosed with migraine headaches were randomly assigned Syllabus to one of two groups: treatment or control. 43 patients in the treatment group received acupuncture that 's specifically designed to treat migraines. 46 patients in the control group received placebo acupuncture Modules (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 (Allais, 2011)- round answers to 2 decimal places) Grades People Pain Free: Yes | Pain Free: No Total Treatment 10 33 Office 365 Control 44 Total (? My Media ) what percent of patients in the treatment group were pain free 24 hours after receiving acupuncture? Media Gallery Secure Exam Proctor 6) what percent of patients in the control group were pain free after 24 hours? (Proctorio) c) At first glance, does acupuncture appear to be an effective treatment for migraines? Explain your reasoning. Library no, because more than half of the individuals in the treatment group still experience pain 24 hours Make Tuition later Payment yes, because more individuals in the treatment group were pain-free after 24 hours Accredible yes, because a higher percentage of individuals in the treatment group were pain-free after 24 hours O no, because there were fewer people in the treatment group Class Notebook Unicheck d) Do the data provide convincing evidence that there is a real pain reduction for those patients in the treatment group? Or do you think that the observed difference might just be due to chance? Learner Forms Yes, 231 is much higher than 49 O It is impossible to tell merely by comparing the sample proportions because the difference could be the result of random error in our sample submit Question Type here to search 12:17 PM 720 F 2/19/2022 73