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:: Home ::Six Sigma ::SIX SIGMA GLOSSARY: Randomization(Experimental Design) :: CURRENT STUDENTS LOGIN

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Randomization (Experimental Design)
 

In factorial type experimental designs the trials should be carried out in random order.

It may be that factors that the tester is unaware of are affecting the experiment. If these so-called 'lurking variables' are varying in a systematic manner the effect on the response may not be apparent from the analysis and lead to incorrect results. Randomizing the order of the runs destroys any systematic pattern and converts it to random variation that can be detected in analysis.

 

The Design of Experiments is covered in the MiC Quality basic Design of Experiments course and Advanced Design of Experiments course.

Try out our courses by taking the first module of the Primer in Statistics free of charge.

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