Have you ever wondered how you would do on the SATs if you didn’t even bother to read the passage you were asked about?6 Katz, Lautenschlager, Blackburn, and Harris

(1990) asked students to answer SAT-type questions without seeing the passage on which the questions were based. This was called the NoPassage group. Data closely resembling what they obtained follow, where the dependent variable was the individual’s score on the test.

54 52 51 50 36 55 44 46 57 44 43 52 38 46 55 34 44 39 43 36 55 57 36 46 49 46 49 47

(a) Plot a frequency distribution for these data.

(b) What is the general shape of the distribution?