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A medical rehabilitation foundation reports that average cost of rehabilitation for stroke victims is $23,672. A...

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A medical rehabilitation foundation reports that average cost ofrehabilitation for stroke victims is $23,672. A researcher wishesto find out the average costs of rehabilitation by selecting arandom sample of 35 stroke victims and finds their average cost tobe $24,226. The standard deviation of the population is $3251. Atan alpha level of 0.01, can it be concluded that the average costof stroke rehabilitation at a particular hospital is different from$23,672?

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given dataaresample size n 35sample mean 24226population sd 3251hypothesiswhereis the true average costs of    See Answer
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