3.91 FAQ-329 How to plot a p-p plot with confidence band?

Last Update: 12/7/2025

To plot a p-p plot with confidence band, you can

  1. Choose menu Plot > Statistical: Probability Plot
  2. In the opened dialog, make sure Confidence Band check box is selected

Or, you can plot a p-p plot with confidence interval with the Distribution Fit tool (Statistics: Descriptive Statistics: Distribution Fit)


Following distributions are available in either way

Normal Exponential Gamma Log-logistic
Lognormal 2-Parameter Exponential Smallest Extreme Value Gaussian
3-Parameter-Lognormal Weibull Largest Extreme Value Folded Normal
3-Parameter Weibull Logistic Rayleigh


Keywords:weibull fit, weibull plot, confidence intervals, probability plot, p-p plot, confidence band