Are Flights Cheaper When Scheduled Earlier Listed below
Chapter 9, Problem 4(choose chapter or problem)
Are Flights Cheaper When Scheduled Earlier? Listed below are the costs (in dollars)of flights from New York (JFK) to San Francisco for US Air, Continental, Delta, United, American, Alaska Airlines, and Northwest. Use a 0.01 significance level to test the claim thatflights 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?Flight scheduled oneday in advance 456 614 628 1088 943 567 536Flight scheduled30 days in advance 244 260 264 264 278 318 280
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