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Unformatted text preview: y increases as annual income x increases. b) We would like to conclude that the mean yearly food cost increases as annual income increase. What would be the smallest value of significance level that needs to be used in this case? c) Comment on the value of in part (b). Solution : The consumer investigator wants to test: b) What is the smallest level that would reject the null hypothesis and make the regression model adequate....
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- Fall '10