What exactly is an Anderson-Darling test? Testing for normality is often the first step in analyzing your data. Many ...

Thus, if lifetime data are a sample from a distribution, the CDF estimated from the data plots approximately as a straight line on a probability plot for the distribution. You can use the RELIABILITY ...

Note that the PROBPLOT statement creates a normal probability plot for DIAMETER by default. The nonlinearity of the point pattern indicates a departure from normality. Since the point pattern is ...