ps8 - MIT OpenCourseWare http/ocw.mit.edu 2.830J 6.780J...

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MIT OpenCourseWare http://ocw.mit.edu 2.830J / 6.780J / ESD.63J Control of Manufacturing Processes (SMA 6303) Spring 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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Massachusetts Institute of Technology Department of Mechanical Engineering Department of Electrical Engineering and Computer Science 2.830J/6.780J Control of Manufacturing Processes Spring 2008 Assignment 8 Out 4/10/2008; due Friday 4/18/2008 I t would be helpful to read this before the lecture on nested variance on Tuesday, April 15th. The reading is entitled Variance Components and Process Sampling Design (Chapter 3 of Statistical Methods for Industrial Process Control by David Drain). An accompanying spreadsheet has also been posted. Problem 1 Here we deal with the data set provided in the Excel spreadsheet 8-1 .xls. This file contains 31 ( x , y ) measurement pairs and it is believed that the underlying physical process can be modeled as y = b 0 + bx + ε . (a)
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ps8 - MIT OpenCourseWare http/ocw.mit.edu 2.830J 6.780J...

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