Surveyors sometimes weight their data to make the findings more representative of some other set of information. This point comes through in an article in the New York Times, July 23, 2015 at 83 regarding political polls. Pollsters may get too few responses from some demographic slice, such as farmers,…
Other posts on this blog have reviewed the basic notions of linear regression, using correlations between total compensation and various factors that determine it. The calculation of a regression also tells how much of total compensation is predicted by each of the factors, such as years of law practice, practice…
A scatter plot of data, for instance total compensation of a group of lawyers against how many years they have been practicing law, may look like a Milky Way galaxy of points, but much can be learned from the correlation. Even more can be learned if we also know such…