practiceExamFinalS1

practiceExamFinalS1 - CHBE 2120 Final Exam S1 By signing...

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CHBE 2120 Final Exam S1 By signing below, I am agreeing to abide by the rules of this exam and by the Georgia Tech Honor Code. In particular, I agree to use no printed materials other than a single 8.5x11” sheet of paper with handwritten notes on one side, and I will not use any programmable or graphing functions on my calculator. Name: _________________________________ Signature: ______________________________ Write your answers in the spaces provided. Blank paper is available for scratch work. If you need additional room for your answers, staple extra sheets to the exam and clearly indicate the problem numbers for your solutions. Note the credit will not be given for calculated results that are correct if incorrect reasoning for that result is used. You must turn off all cell phones and other wireless devices for the duration of the exam . Problem 1 (max. 10) Problem 2 (max. 10) Problem 3 (max. 10) Problem 4 (max. 10) Problem 5 (max. 10) Problem 6 (max. 10) Problem 7 (max. 10) Problem 8 (max. 10) Problem 9 (max. 10) TOTAL (MAX. 90) 1
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Problem 1 : [10 points] Five measurements are taken of the octane rating for a blend of gasoline. The results (in %) are 87.0, 86.0, 86.5, 88.0, 85.3. (a) State the sample mean for these measurements. (b) State the sample standard deviation for these measurements. (c) Find a 99% confidence interval for the mean octane rating of this gasoline blend. 2
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Problem 2 : [10 points] This problem deals with the following data: x 1.00 1.50 2.00 2.50 3.00 3.50 4.00 g(x) 12.00 11.39 10.61 9.71 8.70 7.62 6.45 (a) Estimate the second derivative of g(x) at x = 2 using data at x = 1, x = 2, and x = 3.
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This note was uploaded on 05/01/2011 for the course CHBE 2120 taught by Professor Gallivan during the Spring '07 term at Georgia Tech.

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practiceExamFinalS1 - CHBE 2120 Final Exam S1 By signing...

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