In his excellent book, “The Truthful Art”, Alberto Cairo presents a great analysis and discussion of those graphs. The short version is that the way they are de

In his excellent book, “The Truthful Art”, Alberto Cairo presents a great analysis and discussion of those graphs. The short version is that the way they are designed masks a lot of details of the analysis such that they are fundamentally misleading... https://books.google.com/books?id=8dKKCwAAQBAJ&pg=PT232&lpg=PT232&dq=alberto+cairo+%22okcupid%22+graph&source=bl&ots=8S2sOO-MNP&sig=ACfU3U2TYmwaYyovKfSLS_XWr4-pt6-h4g&hl=en&sa=X&ved=2ahUKEwiao5-30-HnAhUtIDQIHRQhB0YQ6AEwAHoECAkQAQ https://books.google.com/books?id=8dKKCwAAQBAJ&pg=PT232&lpg=...