The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for stroke victims is...

 

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The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for stroke victims is $24,672 and the standard deviation of the population is $3,251. To see if the average cost of rehabilitation is different at a large hospital, a researcher selected a random sample of 35 stroke victims and found that the average cost of their rehabilitation is $25,226. At a = 0.01, can it be concluded that the average cost at a large hospital is different from $24,672? The Medical Rehabilitation Education Foundation reports that the average cost of rehabilitation for stroke victims is $24,672 and the standard deviation of the population is $3,251. To see if the average cost of rehabilitation is different at a large hospital, a researcher selected a random sample of 35 stroke victims and found that the average cost of their rehabilitation is $25,226. At a = 0.01, can it be concluded that the average cost at a large hospital is different from $24,672?

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To answer this question we need to conduct a hypothesis test to determine if there is a statistically significant difference between the average cost ... View the full answer