Question: Asian residents in Boston have the highest average life expectancy

Asian residents in Boston have the highest average life expectancy of any racial or ethnic group—a decade longer than black residents (Boston Globe, August 16, 2010). Suppose sample results indicative of the overall results are as follows.


a. Construct an ANOVA table. Assume life expectancies are normally distributed.
b. Specify the competing hypotheses to test whether there are some differences in average life expectancies between the four ethnic groups.
c. At the 5% significance level, what is the conclusion to thetest?


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  • CreatedJanuary 28, 2015
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