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Confidence interval for the difference in life expectancy

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Reference no: EM132072295

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

S1= 8.1 years

n1 = 53

Asia: = 66.2 years

S2 = 9.3 years

n2 = 42

Reference no: EM132072295

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