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isixsigma on MSNUnderstanding Normal Probability for Successful Quality ControlTo effectively do this, you must understand what normal probability and normal probability plots are. They are important ...
the cumulative probability distribution of a set of data may be plotted on "probability" paper. If the data plot as a straight line, then the distribution is normal. Procedures for fitting probability ...
It is bell-shaped and symmetric, and is very common in "real life". Normal Probability Plot: a quantile-quantile plot where one of the data sets is normally distributed. Probability Density Function: ...
title 'QQ Plot'; plot r.*nqq. / noline mse cframe=ligr modellab="'Best' Two-Parameter Model:"; run; Output 55.8.1: Normal Probability-Probability Plot for the Residuals Output 55.8.2: Normal ...
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