Researchers at Stanford University used data from the Union Army Veterans of the Civil War (1860-1940), the National Health and Nutrition Examination Survey (1971-1975), and the Stanford Translational Research Integrated Database Environment (2007-2017) to determine that the mean body temperature in men and women has decreased by 0.03 degrees Celsius per birth decade. The reduction in body temperature is a Read More …
Category: Data Set
Beware the Lurking Variable
I just completed the discussion on correlation and regression with my Introductory Statistics students. One of the recommendations within the new GAISE outline is to introduce students to multivariate analysis. A classic application of this practice is the SAT score versus teacher salary data. This data may be found by joining a group I created in StatCrunch titled “SullyStats”. To Read More …
Quartiles and Boxplots
I just finished teaching Chapter 3 of my text today. To introduce the idea of quartiles and boxplots, I used two data sets. The first is from the PayScale ROI Report. The data set includes annual return on investment, total four year cost, graduation rate, and other variables for all colleges and universities throughout the country. The data is available Read More …