The following data represent the running times of films produced by 2 motion-picture companies: Co. Time 1 102 81 | 87 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 at least 10 minutes Use a 0.05 level of significance and assume the distribution of the film's running times to be approximately normal. 86 165 (min.) 109 134 98 97 92 92 114

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