A process is monitored for flaws by taking a sample of size 70 each hour and counting the total number of flaws in the sample items. The total number of flaws over the last 50 samples is 1085. a) Compute the center line and upper and lower 3σ control limits. b) The tenth sample had five flaws. Was the process out of control at that time? Explain.
A process is monitored for flaws by taking a sample of size 70 each hour and counting the total number of flaws in the sample items. The total number of flaws over the last 50 samples is 1085. a) Compute the center line and upper and lower 3σ control limits. b) The tenth sample had five flaws. Was the process out of control at that time? Explain.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A process is monitored for flaws by taking a sample of size 70 each hour and counting the total number of flaws in the sample items. The total number of flaws over the last 50 samples is 1085. a) Compute the center line and upper and lower 3σ control limits. b) The tenth sample had five flaws. Was the process out of control at that time? Explain.
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