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Defining Non-normal Data Normally distributed data is needed to use several statistical tools, such as individual control charts, Cp/Cpk analysis, t-tests, and the analysis of variance (ANOVA).
Key Points Non-normal data is data that does not fall within a normal distribution. You can utilize techniques like the Box-Cox method to get the data within normality. Understanding how to use ...
Normal distribution is a continuous probability distribution wherein values lie in a symmetrical fashion mostly situated around the mean.
When a dataset from a non-negative random variable contains zero or very small observations, the folded-normal distribution (FND) can be an appropriate model for fitting the data. Such data includes ...
Residual plots can be used to validate assumptions about the regression model.