Teaching

Tale of Two Stimuli

Two notable progress reports were released last Wednesday. The first is an essay by economists Alan Blinder, a former vice chairman of the Federal Reserve Bank and Princeton economics, and Mark Zandi, chief economist for Moody’s Analytics and former advisor to presidential candidate John McCain, on the impact of the federal stimulus program: …without the […]

Taxonomy of Data Visualization

This post is a part of a collection for an upcoming course on Data Visualization at the 2010 Mid-America Association for Institutional Research annual meeting. These posts will be collected and placed on the course website. They may also be modified as the course develops to increase clarity. An Economist article quotes Hal Varian, Google’s chief economist, […]

Anatomy of a Standard Deviation

While reorganizing some old files I ran across this graphic I put together for a statistics 101 tutoring lab. Click the image above to get the full image [PDF] explaining how to calculate the standard deviation for a sample.