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Showing 1 to 2 of 2 for “"normal probability plot"”.
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Analyzing Unreplicated Two Level Factorial Designs
<p>Normal and half-normal probability plots are often used in analyzing unreplicated two level factorial and fractional factorial designs. Typically no objective method is used with these plots for assessing if a plotted point is associated with a nonzero effect. Firstly, we provide an analysis of …
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Statistical Analysis of Unreplicated Factorial Designs Using Contrasts
… We propose a method that analyzes the data using normal probability plot of estimated contrast of the main effects and interactions. This method is applied to data and compared with Tukey's method that test for non-additivity. Our method is also discussed for use when the response is a …