Question: An employee was fed up with observing out-of-control points (beyond 3 sigma) and not being able to determine a cause. So, he widened the control
An employee was fed up with observing out-of-control points (beyond 3 sigma) and not being able to determine a cause. So, he widened the control limits to 4 sigma. What type of error has just been increased?
Question 3 options:
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| type II error |
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| type I error |
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| alpha error |
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| lambda risk |
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