Randall Munroe (of xkcd fame) posted about an analysis done by David R. Hagen related to his "missing 11th" comic. Great read, which includes some nice statistical analysis, but more interestingly, bias and artifacts.
https://bsky.app/profile/xkcd.com/post/3lrxgvl677k2w
https://drhagen.com/blog/the-missing-11th-of-the-month/