Question

A University of Florida economist conducted a study of Virginia elementary school lunch menus. During the state-mandated testing period, school lunches averaged 863 calories (National Bureau of Economic Research, November 2002). The economist claimed that after the testing period end, the average caloric content of Virginia school lunches dropped significantly. Set up the null and alternative hypothesis to test the economist’s claim.


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  • CreatedMay 20, 2015
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