The following statements use the NORMAL option to fit a normal distribution to the data for each lot (the ... and the curves are superimposed on each component histogram. proc capability data=channel ...

A histogram will give you a visual picture ... Not all symmetrical distributions are normally distributed. But, since the normal distribution is an underlying assumption of many statistical ...

Each of these shapes can correspond to the shapes of histograms encountered in real-world data analysis. Another important aspect of the associated theory is that the normal distribution can be ...

approximate mean integrated square error (MISE) for the kernel density * Available with only the HISTOGRAM statement and a BETA, EXPONENTIAL, LOGNORMAL, NORMAL, or ...