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3. The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for stroke victims is $24,532. To see if the average cost of

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3. The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for stroke victims is $24,532. To see if the average cost of rehabilitation is different at a particular hospital, a researcher selects a random sample of 35 stroke victims at the hospital and nds that the average cost of their rehabilitation is $26,343. The standard deviation of the population is $3251. At a Hill, can it be concluded that the average cost of stroke rehabilitation at a particular hospital is di'erent om 324:6

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