Overlay probability distribution plots with different parameters

You can compare probability distributions of the same distribution with different parameters by displaying them overlaid on the same plot.

For example, this probability distribution plot shows two normal curves with the same mean but different standard deviations.

  1. Choose Graph > Probability Distribution Plot.
  2. Choose Vary Parameters and click OK.
  3. From Distribution, choose the type of distribution you want to view. In the example, Normal is the distribution.
  4. Enter one or more values for each parameter. Minitab creates a separate curve for each combination of values. In the example, 0.0 is the Mean, and 1 and 4 are the Standard deviations.
  5. Click OK.
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