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Mathematics 7 Online
OpenStudy (anonymous):

A line of regression yˆ=−1,240+7.07x is the best fit line for a set of data comparing airfare with 30 days notice and one-day notice. Find the best predicted cost of a ticket purchased one day in advance given that the cost of the ticket is $300 if purchased 30 days in advance of the flight. A.$475 B.$3361 C.$881 D.$133

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