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Calories in school lunches. A University of Florida
Chapter 7, Problem 13E(choose chapter or problem)
Problem 13E
Calories in school lunches. 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, Nov. 2002). The economist claims that after the testing period ends, the average caloric content
of Virginia school lunches drops significantly. Set up the null and alternative hypotheses to test the economist’s claim.
Questions & Answers
QUESTION:
Problem 13E
Calories in school lunches. 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, Nov. 2002). The economist claims that after the testing period ends, the average caloric content
of Virginia school lunches drops significantly. Set up the null and alternative hypotheses to test the economist’s claim.
ANSWER:
Solution
Step 1 of 1
We have to set up the null and alternative hypothesis for the given test
Let =average calories of virginia school lun