Having shown you how to read range bars and box-and-whiskers in Part 1 , I now want to use some real-world data to illustrate why they can be useful. Specifically, I'm going to use data relating to the...

Back when I discussed tricks for coping with overplotting I omitted (at least) one popular "solution": jittering the data. Jittering, is the process of adding random noise to data points so that when...