The following data represent the running times of films produced by two different motion-picture companies: Time (minutes) Company i Company 2 102 86 98 109 92 81 165 97 134 92 87 114 Test the hypothesis that the average running time of films produced by company 2 exceeds the average running time of films produced by company 1 by 10 minutes against the one-sided alternative that the difference is more than 10 minutes. Use a 0.1 level of significance and assume the distributions of times to be approxi- mately normal.

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