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Laura Hess March 12, 2008 Math-006-02 Professor Stein Graded Homework 3 Problem 3.14 a. Group 1 (10 young adult men) treatment 1 (potent cigarettes) random allocation Compare work output earnings Group 2 (10 young adult men) treatment 2 (weak cigarettes) b. Label the 20 men 01-20. Enter Table B and read 2 digit groups until you have selected 10 men to receive treatment 1. The 10 men who have not been selected for group 1 will comprise group 2, and receive treatment 2. The first ten applicable numbers from Table B are: 5, 19, 4, 20, 16, 18, 7, 13, 2, 8 Using these numbers, group one could be comprised of: Decker, Travers, Chen, Ullmann, Quinones, Thompson, Fluharty, Lucero, Afifi, and Gerson That leaves the rest of the men (numbers 1, 3, 6, 9, 10, 11, 12, 14, 15, 17) in group 2: Abbott, Brown, Engel, Gutierrez, Hwang, Iselin, Kaplan, McNeill, Morse, and Rosen Problem 3.75 a. Using Table B and starting at line 106: 6, 8, 4, 1 Student 6 8 4 1 Score 65 74 72 62 Mean: (65 + 74 + 72 + 62) / 4 = 68.25

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