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  3. the dataset decemberflights contains the differenc

The dataset DecemberFlights contains the difference between actual and scheduled arrival time from 1000 randomly...

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The dataset DecemberFlights contains the difference between actual and scheduled arrival time from 1000 randomly sample December flights for two of the major North American airlines Delta Air Lines and United Air Lines A negative difference indica flight arrived early Suppose that we are only interested in the proportion of flights arriving more than 30 minutes after the sc time Of the 1000 Delta flights 67 arrived more than 30 minutes late and of the 1000 United flights 160 arrived more than 30 late We are testing to see if this provides evidence to conclude that the proportion of flights that are over 30 minutes late is d between flying United or Delta Let group 1 be Delta flights and group 2 be United flights 4 Click here for the dataset associated with this question Use the second edition If using StatKey the data needed is preloaded as Late Arrival 2e Delta vs United 2014 Click here to access StatKey b What statistic will be recorded for each of the simulated samples to create the randomization distribution Statistic P H P2 a State the null and alternative hypotheses p x2 1 1 A p 42 2 A Pi p p A P P1 P1 r P2 P2 H p p HE I1

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