Mathematics, 11.06.2021 15:40 organdonor626

$295.89 with a standard deviation of $48.76. The average airticket price for group 2 is $304.76 with a standard deviation of $59.05. Conduct a hypothesis testat 5% level of significance to determine if air tickets are cheaper if you purchase them at least 3months in advance compared to a few days before the trip.

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$295.89 with a standard deviation of $48.76. The average airticket price for group 2 is $304.76 with...

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