Liu, Keli; Meng, Xiao-Li - In: The American Statistician 68 (2014) 1, pp. 17-29
Simpson's Paradox is really a Simple Paradox if one at all. Peeling away the paradox is as easy (or hard) as avoiding a comparison of apples and oranges, a concept requiring no mention of causality. We show how the commonly adopted notation has committed the gross-ery mistake of tagging unlike...