Mathematics, 03.05.2021 15:30 tynyiaawrightt
An extensive study of the cost of health care in the U. S. showed that the mean annual spending per Medicare enrollee was $6,883. To investigate the differences across the country, a researcher took a sample of 40 Medicare enrollees in Indianapolis. For the Indianapolis sample, the mean annual Medicare spending was $5,980 and the standard deviation was $2,518. Using a level of significance of 3%, test to see if the mean annual Medicare spending in Indianapolis is lower than the national mean. Interpret your result.
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An extensive study of the cost of health care in the U. S. showed that the mean annual spending per...
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