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# Exam 1-08 - Exam 1 Math 253 Spring 2008 Dr Weaver(15 points...

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Exam 1 – Math 253 Spring 2008 – Dr. Weaver (15 points) 1. Make a stem and leaf display of the following data set. To conserve space, orient the display horizontally instead of vertically. DATA SET: 1 , 10, 13, 25, 14, 37, 9, 26, 18, 2, 34, 42, 16, 21, 6, 24, 18, 36, 64, 32, 47, 30, 25, 3, 18, 21, 6, 13, 15, 22, 10, 14, 16, 9, 12, 23, 8, 11, 14, 42 6 4                                           5                                             4 2 2 7                                       3 0 2 4 6 7 2 1 1 2 3 4 5 5 6 1 0 0 1 2 3 3 4 4 4 5 6 6 8 8 8 0 1 2 3 6 6 8 9 9 (15 points) 2. The following table shows results of applications to a magnet school, depending on the ethnicity of the prospective student. Fill in the marginal distribution information and make a conditional table (using percentages) of the admission information for Asian students.   Accepte d Wait-listed Turned  away Black/Hispan ic 485 0 32 517 Asian 110 49 133 292 White 931 251 359 1541    1526       300        524 2350 (10 points) 3. Make a dot plot of the following data: 63, 31, 54, 31, 48, 87, 45, 72, 45, 37, 57, 72, 68, 44, 47, 45, 32, 76, 53, 45, 48, 31   Asian  Students     Accepted 37.7%   Wait- Listed 16.8%   Turned  Away 45.5%

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4. Problem 4 was deleted because it was a duplicate of Problem 7.
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Exam 1-08 - Exam 1 Math 253 Spring 2008 Dr Weaver(15 points...

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