2028_Exam2_062910

2028_Exam2_062910 - Sample Exam: ISyE 2028 Take-Home Exam...

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Exam: ISyE 2028 Take-Home Exam #2 – Due Friday 8 am, July 23 This is an exam which should be finished by each student individually. Students should ask Dr. Lu for questions and not discuss exam problems and solution techniques among students. If you see or hear any student discuss the exam problems, please send an email to me, [email protected] . Your identity will be kept in secret. There are two parts in this exam. Part A is for the technical work in the simple linear regression and part B is for the empirical modeling. Students needs to submit both parts via emails on the Friday due date. Your reports should have page number marked in the bottom-right of each page. Your name should be on the first page. Part A: Simple Linear Regression (40% of the entire Exam #2 grade) Problem #1 (40%): For your simulated data obtained in part (a) of Problem #2 in Part B (see below) finish the following tasks. (a) [5%] Use Excel (or any software) to calculate the needed summary statistics for regression analysis. (b) [25%] Provide detailed calculation of (i) LSE of the intercept and slope, (ii) SST, SSR and SSE, (iii)Estimate of the population standard deviation σ, (iv)R-square (v) Point prediction of the mean Y at x = 5.5. (vi)90% confidence interval of the mean Y at x = 5.5. Note that you might want to compare your calculation against the result obtained from your computer software for regression analysis. (c)
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This note was uploaded on 05/24/2011 for the course CS 2100 taught by Professor Stauss during the Spring '11 term at UGA.

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2028_Exam2_062910 - Sample Exam: ISyE 2028 Take-Home Exam...

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