Midterm222s09

Midterm222s09 - Stat514S09 Midterm II (Total 20 Points) 1....

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Unformatted text preview: Stat514S09 Midterm II (Total 20 Points) 1. Exam format and time: take home from 5pm Monday 04/13/09 to 5pm Wednesday 04/15/09. 2. The exam must be done independently. 3. Must show work to get credits. 4. If SAS output is needed for a question, only hand in the relevant output. For each such question, do not hand in more than two pages of SAS output. Do not hand in SAS codes. 5. Use = 5% throughout the exam. 6. Use 8.5 11 paper to write answers. 1. Five cars ( , , , , ) and five drivers (1, 2, 3, 4, 5) are employed in a study of five gasoline additives ( A , B , C , D , E ). Due to time constraint, only five runs can be conducted each day. The design used in the experiment and the generated data are given below. Driver Day 1 2 3 4 5 1 A = 23 B = 20 C = 23 D = 22 E = 21 2 B = 18 C = 27 D = 22 E = 15 A = 25 3 C = 21 D = 17 E = 21 A = 27 B = 24 4 D = 15 E = 19 A = 25 B = 18 C = 25 5 E = 12 A = 28 B = 21 C = 21 D = 22 The grand mean...
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Midterm222s09 - Stat514S09 Midterm II (Total 20 Points) 1....

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