1) You measure the height of 8 male and 9 female hippopotamuses and get the following results. Is there a difference in weight? Use a Mann-Whitney U test with α = 0.05 (do NOT use R): Males: 986 1524 1583 1620 1472 1173 1748 1815 Females: 1412 1377 1289 1114 1157 869 1340 1094 949

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