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Lecture_10_17

Lecture_10_17 - Lecture of Oct 17 Solution to sample exam...

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1 Lecture of Oct 17 Lecture of Oct 17 • Solution to sample exam will be available on the course website today. • HW#6 is due today -- No late homework accepted for this assignment . • Thursday: Sample test and review Friday: Midterm ( 9:10-10:50am , at ZACH 203 )

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2 (1) Periodically and regularly collect samples of data; (2) From each sample, calculate one or more quality- related statistic; (3) Construct a chart of the sample statistic versus the sample sequence number; (4) Add control limits to the chart, which are designed to indicate when the process is out of control from a statistically significant point of view; (5) Inspect the control chart to determine if the process is out of control, and if so, what is the nature of the assignable causes. Last Class
3 Selection of Control Limits Selection of Control Limits • The control charts are designed to detect a statistically significant deviation in x or s 2 (or s ), obviously we should use some form of statistical hypothesis testing. • Appropriate quality-related statistics would be sample average

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Lecture_10_17 - Lecture of Oct 17 Solution to sample exam...

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