confidence interval of two population mean difference
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Determine the 95% confidence interval of the true difference in the means. A sociologist wants to determine if the life expectancy of people in Africa is less than the life expectancy of people in Asia. The data obtained is shown in the table below.
Africa Asia
55.3 65.2
8.1 9.3
53 42
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Solution Summary
Calculation of confidence interval is provided.
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