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The following data represents the running time of films produced by 2 motion picture companies. Assume these are independent samples Company Time (in minutes) Company 1 102 86 98 109 92 Company 2 81 165 97 134 92 87 114 Test the null hypothesis that the average running time of the films produced by company 2 exceeds the average running time of films produced by company 1 by an amount of 10 minutes. Test against the null hypothesis of a one sided alternative that the difference is more than 10 minutes. Use a .1 level of significance (alpha).

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Statistics and Probability, Statistics

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