The following are data on the breaking strength (in pounds) of random samples of two kinds of
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Use the U test at the 0.05 level of significance to test the claim that Type I ribbon is, on the average, stronger than Type II ribbon.
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Type I ribbon 144. 181, 200, 187, 169, 171, 186, 194. 176, 182, 133, 183, 197, 165, 180, 198 Type II ribbn 175, 164, 172, 194, 176, 198, 154, 134. 169. 164. 185, 159, 161. 189, 170, 164
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Related Book For
John E Freunds Mathematical Statistics With Applications
ISBN: 9780134995373
8th Edition
Authors: Irwin Miller, Marylees Miller
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