isixsigma on MSN2d
The Power of Special Cause Variation: Learning from Process Changes
Special cause variation, I love to see it! That’s because I know I’m about to learn something important about my process. A ...
isixsigma on MSN12d
Common Cause vs. Special Cause Variation: What’s the Difference?
Common cause vs. special cause variation, aren’t they the same thing? At first glance, you’d be allowed to think so. However, ...
Simon Fraser University7y
Example 34.1: Applying Tests for Special Causes
This example illustrates how you can apply tests for special causes to make an individual measurements chart more sensitive to special causes of variation. The following statements create a data set ...
BBC1y
Causes of variation
Some variation is the result of differences in the surroundings, or what an individual does. This is called environmental variation. Humans, dogs and goldfish are examples of species. Different ...
Simon Fraser University5y
Example 43.1: Applying Tests for Special Causes
This example illustrates how you can apply tests for special causes to make and R charts more sensitive to special causes of variation. The weight of a roll of tape is measured before and after an ...