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Taxing Possibilities

A recent article on the implications of filing taxes jointly had an interesting graphic that is fun to discuss with your students. Article: http://www.nytimes.com/interactive/2015/04/16/upshot/marriage-penalty-couples-income.html This visualization has a lot of quantitative information to unpack!  I ask them questions such as: Why does the vertical axis start at 50-50 and not 0-100? In terms of paying … Continue reading

Racism and Mortality

A student passed on this  article relating racism to higher mortality rates: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0122963#pone.0122963.ref001 It is chock full of standard deviations, correlation and p-values.  In the following abstract note the 8.2% (adjusted to 5.7%) increase in black mortality associated to 1 sd greater level of racism (this would come from the slope of the regression line: increasing … Continue reading