Question: The following are data on the breaking strength (in pounds) of random samples of two kinds of 2-inch cotton ribbons: Use the U test at

The following are data on the breaking strength (in pounds) of random samples of two kinds of 2-inch cotton ribbons:

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.

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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