Ooi, Yao Hua2023-05-232023-05-232004-04-012006-09-29https://repository.upenn.edu/handle/20.500.14332/49192Simpson’s paradox refers to the reversal of a statistical relationship between two variables in sub-populations when the sub-populations are combined and analyzed as a population. This article is intended to provide a broad survey of the past, present and future research surrounding the issue. Real data from a discrimination litigation case is examined to identify the occurrence of the paradox.BusinessStatistics and ProbabilityArticle