Ivan.Rivera.MM305_Unit8_Project

# Ivan.Rivera.MM305_Unit8_Project - Unit8Project . problems,...

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MM305 Quantitative Analysis for Managers Unit 8 Project Please download this document to your computer and save it using the naming  convention specified in the course syllabus.  After completing and saving the project  problems, submit your project in the Drop Box for Unit 8. 1. Precision Manufacturing has a government contract to produce stainless steel rods for use in  military aircraft.  Each rod is required to be 20 millimeters in diameter. Each hour, random  samples of size n = 4 rods are measured to check process control. Five hours of observations  yielded the following: Diameter Time Rod 1 Rod 2 Rod 3 Rod 4 9 A.M. 19.8 20.4 19.9 20.3 10 A.M. 20.1 20.2 19.9 19.8 11 A.M. 19.9 20.5 20.3 20.1 Noon 19.7 19.8 20.3 20.2 1 P.M. 19.7 20.1 19.9 19.9 Using these data and the table below, construct limits for xbar- and R-charts. Is the process in  control?  Control Chart Limits Factors

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Ivan.Rivera.MM305_Unit8_Project - Unit8Project . problems,...

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