An army psychologist gave a random sample of seven soldiers a test to measure sense of humor and another test to measure aggressiveness. Higher scores mean greater sense of humor or more aggressiveness. Soldier 1 2 3 4 5 6 7 Score on humor test 52 76 73 88 82 46 55 Score on aggressiveness test 65 69 71 67 63 77 75 Using a 0.05 level of significance, test the claim that rank in humor has a monotone-decreasing relation to rank in aggressiveness. (a) Ranking the data with rank 1 for highest score on a test, make a table of ranks to be used in a Spearman rank correlation test. Soldier Humor Rank x Aggressiveness Rank y d = x − y d2 1         2         3         4         5         6         7                 Σd2 =

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