How do I define different populations on my probability plot and view statistics for each population?

A: You need to attribute the different populations first and then view them using the Statistics tool. Open the Attribute Manager and add a colour attribute.  Select this colour attribute and then go back to the Probability plot window.  Use the Select Attribute Polygon from RHS toolbar to draw a polygon around a population.  Repeat this process for any other populations and then select Analysis>Display Summary Statistics.  Scroll down to see statistics by each colour population group.

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