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    Positive Association of Flights

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    A regional commuter airline selected a random sample of 25 flights and found that the correlation between the number of passengers and the total weight, in pounds, of luggage stored in the luggage compartment is 0.94. Using the .05 significance level, can we conclude that there is a positive association between the two variables?

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    Solution Preview

    Null Hypothesis: There is no positive association between the two variables.

    Alternate Hypothesis : There is a positive ...

    Solution Summary

    This solution conducts a hypothesis test on the correlation of number of passengers and total weight of luggage by stating the decision rule. The test statistic is then calculated and compared to the p-value to make a decision to accept or reject the null hypothesis.