cee93-Fall_2003-mt1-Armen_Der_Kiureghian-soln

# cee93-Fall_2003-mt1-Armen_Der_Kiureghian-soln - University...

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University of California at Berkeley Department of Civil & Environmental Engineering Structural Engineering Mechanics & Materials In- structor: Armen Der Kiureghian Student name:__________________________ CE93 -- Engineering Data Analysis First Midterm Examination Wednesday, October 8, 2003 Work on all three problems. Write clearly and state any assumptions you make. The exam is closed books and notes. The problems have the following weights: Problem 1 (35 points) ________________________ Problem 2 (30 points) ________________________ Problem 3 (35 points) ________________________ Exam grade (100 points) ______________________

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Student name:__________________________________ 2 Problem 1. (10+15+10= 35 points) Biochemical oxygen demand at 40 stations along a river measured in milligrams/liter are listed in the as- cending order in the following table. 2.27 2.46 2.49 2.51 2.70 2.73 2.76 2.79 2.82 2.86 2.89 2.93 2.96 3.00 3.04 3.08 3.13 3.16 3.17 3.18 3.19 3.22 3.23 3.24 3.30 3.36 3.37 3.43 3.58 3.66 3.74 3.75 3.83 3.92 4.00 4.03 4.08 4.41 4.64 4.95 a) Determine the median and the first and third quartiles of the data and the inter-quartile range, IQR . b) Sketch a box plot of the data on the attached graph sheet. Clearly identify the key elements of the
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## This note was uploaded on 07/11/2009 for the course CEE cee taught by Professor Monteiro during the Fall '05 term at Berkeley.

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cee93-Fall_2003-mt1-Armen_Der_Kiureghian-soln - University...

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