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    Can we conclude a positive association between two Variables

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    37. 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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    https://brainmass.com/statistics/correlation/can-we-conclude-a-positive-association-between-two-variables-301107

    Solution Preview

    H0: r ≤ 0 vs Ha: r > 0

    t = r sqrt(n - 2) / sqrt(1 - r^2) = 0.94 sqrt(25 - 2) / ...

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