?Are Flights Cheaper When Scheduled Earlier? Listed below are the costs (in dollars) of
Chapter 9, Problem 7(choose chapter or problem)
Are Flights Cheaper When Scheduled Earlier? Listed below are the costs (in dollars) of flights from New York (JFK) to Los Angeles (LAX). Use a 0.01 significance level to test the claim that flights scheduled one day in advance cost more than flights scheduled 30 days in advance. What strategy appears to be effective in saving money when flying?
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