Question: You collect the following sample data concerning average life expectancies for female and male residents in Boston. You assume a population standard deviation of 8.2

You collect the following sample data concerning average life expectancies for female and male residents in Boston. You assume a population standard deviation of 8.2 years for females and 8.6 years for males.

Female X = 81.1 n = 32 Male X = 74.8 n

a. Set up the hypotheses to test whether the average life expectancy of female Bostonians is higher than that of male Bostonians.

b. Calculate the value of the test statistic and the p-value.

c. At the 10% significance level, can you conclude that female Bostonians live longer than male Bostonians?

Female X = 81.1 n = 32 Male X = 74.8 n = 32

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