Statistical Design of Experiments
Statistical Design of Experiments
Test Cell Improvement Project
Test Cell Improvement Project
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After the experiment was completed, the Treatment
After the experiment was completed, the Treatment
Combinations were put into correct order based on the L16
Combinations were put into correct order based on the L16
matrix design and analyzed.
matrix design and analyzed.
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Next a trade off analysis was performed for each significant
Next a trade off analysis was performed for each significant
input factor (cost vs. improvement).
input factor (cost vs. improvement).
vs. improvement).
. improvement).
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The factors identified were not the most expensive factors to
The factors identified were not the most expensive factors to
improve and as a result we saved considerable improvement
improve and as a result we saved considerable improvement
dollars by not fixing factors that weren’t broken.
dollars by not fixing factors that weren’t broken.
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