The Medical Rehabilitation Education Foundation

reports that the average cost of rehabilitation for COVID-

19 victims is P 24,672. To see if the average cost of

rehabilitation is different at a large hospital, a researcher

selected a random sample of 35 COVID-19 victims and

found that the average cost of their rehabilitation is P

25.226. The

The standard deviation of the population is

3,251. At a = 0.01, can it be concluded that the average

cost at a large hospital is different from 24,672?