Question: 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.
Is there any evidence to suggest that the mean physician density is different from 3.2? Use a = 0.05 and assume normality.