I've been somewhat surprised with the popularity of a recent blog post, so am providing it along with some additional context for my Q2 content contribution.
If you would like to review the post before reading further, it's about doing anomaly detection in Tableau.
In the tutorial, table calculations are used to detect whether data points are outliers. The dashboard author can control the definition of outlier (i.e. 1, 2, or 3 standard deviations from the mean). I think this would work well as a 30-minute tutorial / discussion for the following reasons:
Please let me know if you have any questions,