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2. Regression toward the Mean The term regression" was popularized by Sir Francis Galton with the publication of his paper, Regression towards Mediocrity in Hereditary Stature (The Journal of the Anthropological Institute of Great Britain and Ireland 15 (1886), 246-263). In this paper, he showed that extreme characteristics of parents do not fully manifest themselves in their children. In fact, these characteristics regress toward mediocrity, which is regression towards the population mean. That is, very tall parents tend to have children that are not as tall as they are, and very short parents tend to have children taller than they are. There is regression" toward the mean. The question uses Galton's original data set and it is attached as galton.csv. A. B. Use R to estimate the following model using OLS, and report the results with stargazer. See the videos for examples. Use the OLS regression results from Part A to formally test regression toward the mean. What are the null and alternative hypotheses? Regression toward the mean occurs if 2