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154 Where are the majors? ArtBachelortoPhD2 5 10 20 50 Statistics PoliSci Spanish History English Envir.Sci French Economics Comp.Sci German Geography Psychology Classics Italian Mathematics Biology Music Chemistry Physics0.005 0.020 0.050 0.200 0.500 2.000 5.000BachelortoAPFIGURE 14.1Normalized Bachelor’s degree productivity by discipline.perhaps should not think of it as a “yield” of Bachelor’s degrees from APtakers, but rather as a measure of the number of Bachelor’s degrees normalizedby Subject size.Bachelor-to-PhD ratio, for each of the subjects, is the ratio of the numberof Bachelor’s degrees in 2009–10 to the number of doctoral degrees. Again itis not a measure of the “yield” of doctoral degrees from Bachelor’s degrees.The data (and sources) are in file degree.xls. This and other files, includingR code, are in directory Majors on the page that accompanies thisvolume: http://www.crcpress.com/product/isbn/9781482204964.14.3 Some remarks1. It is likely that the number of Bachelors’ degrees in statistics is undercounted,as many students may be getting the equivalent of a statisticsmajor in a Mathematics Department. The undercount would have to beby a factor of five to ten to put statistics into the bulk of the plot.