Thomas B. Edsall's "How poor are the poor"? on May 29, 2015 discussion prompt New York Times operationalized variables poverty social justice why statistics have a bad reputation +
Scott Janish's "Relationship of ABV to Beer Scores" on May 25, 2015 archival data beer correlation data set discussion prompt graphs and charts influential observations outliers regression +
Richard Harris' "Why Are More Baby Boys Born Than Girls?" on May 18, 2015 best practices in research methods biology causality developmental psychology discussion prompt NPR research methods scientific method +