Home Price Confusion and a Bar Chart Inside Bar Chart

In as piece on the price of homes in the Washington DC area the Washington Post published the graph at the right. Call this a bar chart within a bar chart with a series of “half bubble charts” at the bottom. For the embedded bar charts we are to ignore the area and focus only […]

Do AP Exams Measure School Performance?

The Prince George’s County Maryland county executive, in his frustration over the performance of the school system has proposed to shift many of the responsibility for the school system from the elected school board to the county government. In the mist of the discussions the education reporter for the Washington post has put forth a […]

Did I get the data I asked for?

The U.S. Geological Survey (USGS) provides a web site where it is possible to view a map and download the data for recent earthquakes worldwide. The map at the right is a copy of the map as it appeared on Sunday March 31, 2013. While this is good and useful data it aptly illustrated the […]

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