Medicine and Clinical Studies
According to the Organization for Economic Co-operation and Development (OECD), the mean density of physicians per 1000 people worldwide is 3.2.41 A random sample of countries was obtained and the physician density per 1000 people was recorded for each. The data are given in the following table.
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Is there any evidence to suggest that the mean physician density is different from 3.2? Use a = 0.05 and assume normality.