CHEN3010Fall2003MidtermExam2

# - CHEN 3010 Applied Data Analysis Fall 2003 Name Midterm Examination 2 75 minutes 100 points(points for each problem shown in parentheses under

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CHEN 3010 Applied Data Analysis Fall 2003 Name:________________________________ Midterm Examination 2 ¾ 75 minutes ¾ 100 points (points for each problem shown in parentheses under the problem number) ¾ open book and notes ¾ calculator allowed (and needed) ¾ do all work on blank sheets provided and start each problem on a new sheet ¾ order your work sheets and staple them behind this exam document when you turn in your exam ¾ time will be of the essence on this exam – attempt the problems you know best first, and move from problem to problem quickly – if you get stuck on a problem, move on and return to it later – you will not likely have time to "re-learn" the material during the exam On my honor, as a University of Colorado at Boulder student, I have neither given nor received unauthorized assistance on this work. ______________________________________ (sign on this line) 1. A machine at a textile factory is producing cloth that, by design, should have a mean (20) breaking strength of at least 70 kg. Based on historical data, it is known that the standard deviation of breaking strength for cloth from this machine is 3.5 kg. A sample of 43 pieces of cloth is tested and the sample average breaking strength is 69.1 kg. 1.1

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## This note was uploaded on 10/11/2011 for the course CHEN 3010 taught by Professor Kompala,dh during the Spring '08 term at Colorado.

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- CHEN 3010 Applied Data Analysis Fall 2003 Name Midterm Examination 2 75 minutes 100 points(points for each problem shown in parentheses under

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