Continuous Improvement. Bill Pedersen, PE. Distort the System Downsizing example Reduced inventory example. Distort the figures End of Quarter Example. There are 3 ways to get better numbers:. Improve the System!!!!!!.
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Bill Pedersen, PE
As Quality improves, sample size increases dramatically.
Sample size such that n x p >= 5Data Types
Are always present.
Several small contributors add up to the whole common cause variation.
Examples - weather, machine rigidity, incoming material variation.
Special Causes of Variation
NOT always present - sporadic in nature.
Typically have a larger effect on variation than any single common cause.
Examples - broken air conditioner, worn bearing, incorrect material.Variation
Elimination of Variation
Charting for the Sake of Charting