This is one of my favorite paradoxes too. Here's why: "... given the same table, one should sometimes follow the partitioned and sometimes the aggregated data,

This is one of my favorite paradoxes too. Here's why: "... given the same table, one should sometimes follow the partitioned and sometimes the aggregated data, depending on the story behind the data, with each story dictating its own choice. Pearl considers this to be the real paradox behind Simpson's reversal." [0] [0]https://en.wikipedia.org/wiki/Simpson%27s_paradox https://en.wikipedia.org/wiki/Simpson%27s_paradox