Which normal density curve best approximates the sample histogram? The answer suggested here is the normal curve that minimizes the integrated squared deviation between the histogram and the normal ...

parameters for the normal curve. The normal parameters and are estimated by the sample mean ()and the sample standard deviation (). a chi-square goodness-of-fit test. Compared to the usual cutoff ...

Specify shape parameter for fitted beta or gamma curve ALPHA= Specify second shape parameter for beta fitted curve BETA= Specify shape parameter for fitted Weibull curve C= Specify the mean for fitted ...