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ENGR 126 Exam 3 Spring 2008

# ENGR 126 Exam 3 Spring 2008 - ENGINEERING 126 Spring 2008...

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ENGINEERING 126 Spring 2008 Exam 3 Name: ___________________________________ Student ID: _______________________________ Division/Section:___________________________ INSTRUCTIONS: Duration: 60 minutes Keep your eyes on your own work! Keep your work covered at all times! 1. Each student is responsible for following directions. Read carefully. 2. Excel and MATLAB commands, and Statistics equations are provided on the next page. 3. This exam consists of 6 pages (3 sheets front AND back). Check to be sure that you have all of the pages. 4. Write your name on the answer sheet . 5. Closed book and notes. 6. No calculators. 7. Please make sure you return the answer sheet .

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ENGR 126 Exam 3 April 15, 2008 2 Statistics Equations = - - = n i i x x n s 1 2 2 ) ( 1 1 ( 29 1 1 2 1 2 2 - - = = = n n x x n s n i n i i i Linear Regression = = = + n i i n i i y bn x a 1 1 = = = = + n i i i n i i n i i y x x b x a 1 1 1 2 = - = n i i i x f y SSE 1 2 )] ( [ = - = n i i y y SST 1 2 ] [ SST SSE r - = 1 2 MATLAB Commands + - * / ^ = .* ./ .^ % ' (transpose) : ; < > <= >= ~ ~= = = & | [ ] ( null vector ) ( ) ... ( ellipse ) abs acos all asin atan ans any axis clc clear cos csc disp else elseif end error eval exp factorial figure find format fminbnd fplot function fzero grid help helpbrowser hist hold i, j if Inf legend length load log log10 loglog lookfor max mean median min NaN ones pi plot polyfit polyval prod quit sec semilogx semilogy sin size sort sqrt std subplot
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ENGR 126 Exam 3 Spring 2008 - ENGINEERING 126 Spring 2008...

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