In testing three different rubber compounds, a tire manufacturer finds the tread life of tires made from
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Design 1: 34 38 33 30 30 thousand miles Design 2: 46 43 39 46 36 Design 3: 48 39 33 35 4
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The null and alternative hypotheses are H 0 the three compounds have the same median tread life and ...View the full answer
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