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Skyhaven and 2 be the population mean deviation, in minutes, of arrivals at MacArthur. Noah is testing the alternative hypothesis H a : 1 2
Skyhaven and 2 be the population mean deviation, in minutes, of arrivals at MacArthur. Noah is testing the alternative hypothesis H a : 1 2 0 . He assumes that the population standard deviations of the two groups are not equal, so uses 81 degrees of freedom. If the t -test statistic is t 1.56 , what is the p-value for this hypothesis test
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