Creëer capable processes

6 important questions on Creëer capable processes

What is special cause variation?


Special cause variation is nonrandom variation caused by a special event or action

How to handle outliers?

Investigate outliers instead of get rid om them

What is the modern view on processes?

Focus on the target and take care that the target is optimal and not between boundaries
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What is the 95% confidence interval?

A tool to measure the accuracy of the sample mean

What is beta risk?

Beta risk refers to a type II error. The system judges not guilty when in fact the case is guilty

What is the power of the statistical test?

To check if the sample size is big enough. 1-beta is the probability that we reject H0 and tus assume that Ha is true

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