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QUESTION
A sociologist, Sal Sociological, wants to determine if the life expectancy of people in Africa is less than the life expectancy of people in Asia.
A sociologist, Sal Sociological, wants to determine if the life expectancy of people in Africa is less than the life expectancy of people in Asia. He collects data from a sample of individuals and the resulting data is shown below. Calculate a 95% confidence interval for the difference in life expectancy between Africa and Asia.
Africa: = 56.3 years
