Workshop workflow - add a data vis?

We generally get good feedback from the workshop workflow jupyter tutorial, but one suggestions for feedback was to add a vis as well. Let's add a datavis example somewhere within the tutorial if possible. @rachellyne any suggestions what that might be?

Locate the workshop workflow Jupyter tutorial and review its existing examples and structure. The issue does not name a file, visualization, or test; done means the tutorial contains a suitable data-visualization example and remains coherent for readers.

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