Let’s Expose ‘Em!

Gary Klass has developed a great website related the topic of misleading and down-right dishonest graphs.  Skim through last semester’s Section 13.3 lecture notes, then take a hard look at Klass’s “How to Construct Bad Charts and Graphs,” paying particular attention to what it takes to make bad charts and graphs.  Professor Klass is currently constructing an updated site, which [...]

Give Two, Take Twenty

Theoretically…  If everyone gives two, and you all end up with twenty, how many of you are there in the class? 
Here’s what you’re giving to your classmates:

Make up a question that you could use in a kindergarten or first-grade classroom to graph data.  (Remember, according the Burris textbook, bar graphs, tally graphs and pictographs are appropriate for [...]