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DEVEMEM_0321500458_SE.qxd x e Module 6 (page 7 of 20) X + od/quiz/attempt.php?attempt= 10364974&cmid=5824486&page=6 Beartracks sign on e eClass Portal ) Sessions List - MS... Lobby

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DEVEMEM_0321500458_SE.qxd x e Module 6 (page 7 of 20) X + od/quiz/attempt.php?attempt= 10364974&cmid=5824486&page=6 Beartracks sign on e eClass Portal ) Sessions List - MS... Lobby | Top Hat sos SOS review . Beyond Labz Portal Chem 261 W HELP EMAIL Qui estion 7 A study was carried out at an Edmonton hospital to compare two different methods of care management of geriatric es remaining: patients who were transferred from the emergency room to the geriatric ward. The two methods were "usual care" and "geriatric team care." The assignment of patients to the two groups was done at random; 37 were assigned to the arked out of "usual care" group (control group, C) and 40 to the "geriatric team care" group (treatment group, T). The researcher is .00 interested in carrying out a hypothesis test to see if the average hospitalization cost for the "geriatric team care" is less Flag than that for the "usual care" at the significance level of 0.01. The sample mean hospitalization cost for the control 13 lestion group is 3200 dollars with a sample standard deviation of 1245 dollars. The sample mean hospitalization cost for the geriatric team care" is 2680 dollars with a sample standard deviation of 1160 dollars. 19 (a) What are the null and alternative hypotheses? 0 Finis p HA: P = 4 0 (b) What is the test statistic? (Round your answer to 3 decimal places, if needed.) (c) Using the statistical table, the p-value is 0.05

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