STAT 1040 Midterm: Stat_1040_Midterm_1_Spring_2012
31 Jan 2019
School
Department
Course
Professor
Document Summary
Test 1, spring 2012: a recent issue of the new york times included the following article: Two widely used nutritional supplements for arthritis pain do not effectively relieve patients" aching arthritic knees, a large federal study has found. The study of two supplements, glucosamine and chondroitin sulfate, was published in the new england. The study was meant to provide a definitive answer as to whether these supplement work. In the 24-week study, 1583 patients with osteoarthritis of the knee were randomly assigned to one of five groups. Some patients took chondroitin and some took both. Recreational gambling were healthier, on average, than people who did not gamble at all. Provide a confounding factor that sheds doubt on the claim. (10 points: jeff took measurements of his diastolic blood pressure each day for a week. Her measurements averaged 64 with an sd of 8. 2. Examination (gre) before being admitted to graduate school.
