There are dozens of personality tests available on the World Wide Web (including one that tells the test taker which dead Russian composer he's most like). One test, scored on a scale of to , is designed to give an indication of how "personable" the test taker is, with higher scores indicating more "personability." Suppose that classmates have taken this test and scored as follows: 54, 51, 72, 69, 85, 69, 83, 76, 80, 53, 63, 54, 84, 81, 52, 75, 59