Experimental design is an important statistical tool in the process of process improvement. It is helpful to study the relationship between early variable (X) and variable-based variable (Y). By changing the level of factors (x1,x2,...,xp), the results are applied to the problems to be solved. This method can provide higher data analysis accuracy and accuracy than the general method, and can be used as a statistical value to show the importance of variables affecting the process.
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