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anon-user asked Ben Wilson commented

Distribution Chooser

About the Distribution Chooser

https://docs.flexsim.com/en/21.1/ModelLogic/AdditionalConcepts/UsingDistributionChooser/UsingDistributionChooser.html


Since it is a normal distribution, I think that the peak in the center is the highest in the histogram.


However, in the Distribution Chooser, the mountain on the right side of the center is the highest.

Why is this?


FlexSim 21.0.3
flexsim users manualflexsim 21.0.3
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Joerg Vogel avatar image Joerg Vogel commented ·

It is a result of a test by a small number random values. If you test a statistical function with a really LARGE number of values, then the histogram matches with the distribution quite well.

Please try this on your own in a basic model.

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Jason Lightfoot answered Ben Wilson commented

The graph is made from a small sample from the distribution, so are not calculated.

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Ben Wilson avatar image Ben Wilson ♦♦ commented ·

"Based on 1000 samples" is the important bit.

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