midterm1_A - 1 ISyE 2028A Midterm 1 June 06 2009 Name

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Unformatted text preview: 1 ISyE 2028A Midterm 1 June 06 2009 Name :--------------------------------- GT ID Number :---------------------------- 1. This exam is a closed book and notes. You may only use one page of cheat sheet and tables. However, during the exam, it is not allowed to share a cheat sheet and tables. 2. You may use a calculator. However, during the exam, it is not allowed to share a calculator. 3. There are five problems totalling 100 points. Show all work to receive full credit. 4. Please read and sign the honor code statement. Honor Code I pledge my honor that : I have completed all problems on the exam on my own; I have not used any unauthorized materials while completing and preparing for this exam; and I have not given anyone else access to my exam. Honor Code Signature--------------------------------- 2 1. (20 points) 10 Samples are given: 1 4 7 5 8 8 10 6 2 9 (a) (3 points) Calculate Sample mean (Sol) X = 1 + 4 + 7 + 5 + 8 + 8 + 10 + 6 + 2 + 9 10 = 6 (b) (3 points) Calculate Sample variance (Sol) S 2 = 1 n- 1 X ( X i- 6) 2 = 8 . 8889 (c) (3 points) Calculate Median (Sol) Median = 6.5 (d) (3 points) Calculate Mode...
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midterm1_A - 1 ISyE 2028A Midterm 1 June 06 2009 Name

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