This depends on the specific test that you are trying to use. For the purposes of the normality tests described on the referenced webpage, you can think of the data as being the residuals (if that is what is required for the test you have in mind). Also in some cases the residuals a...
The reason for this inconsistency is that the Kolmogorov-Smirnov test in the form presented above is only valid when the population mean and standard deviation are known, and not estimated from the sample. In the case where the population mean and standard deviation are not known, you...
The Anderson-Darling Test will determine if a data set comes from a specified distribution, in our case, the normal distribution. The test makes use of the cumulative distribution function. The Anderson-Darling statistic is given by the following formula: where n = sample size, F(X) = cumula...