Comparing the lifetimes of two brands of penlight batteries, a researcher has randomly selected 10 batteries of
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Brand A 93.4 119.1 94.3 90.0 66.0 121.4 92.5 111.6 87.6 98.0 minutes Brand B 59.2 65.5 81.5 92.5 71.7 69.4 83.4 92.5 93.3 81.7 minutes
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The Wilcoxon rank sum test is appropriate for this problem The null and alternative hypotheses are H ...View the full answer
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