Sunday, December 13, 2009

Statistics for everyone

Dr. Deb explains about the general usefulness of statistics, the difference between accuracy and precision, issues about curving grades in college, and other points of context that you might need to understand the statistics that are generally presented in the media. Listen to the podcast.


  1. What is the average PH of Kansas City, MO's tapwater?

  2. The most recent report lists an average pH of 9.7 in 2008, with a range of 8.4-10.3, which is typical for lime-soda ash softening. The reports are available on