The next step was to do this calculation by counties. For each year, I computed the interquartile range for all 3,000 counties in the United States and also just for the counties outside of the South.

Your graph would then look like this: ... The interquartile range is the middle 50% of measurements in a data set—in other words, ...

To better understand where the natural gas market heading, let's take a look at the latest trends in prices, storage, and ...

Inter quartile range (IQR) = Q3 – Q1 = 3.75 ... This is just like the horizontal scale on a graph. Image caption, Step 2: Mark each of the 5 key values above the scale with a short vertical line.

The natural gas market is on the verge of a rapid increase in demand as heatwaves continue to sweep through key areas of the ...

Guess where the U.S. falls on the chart 05/16/2013 02:01 UTC. Salon's gay marriage courage-meter. WIth more politicians endorsing LGBT marriage each day, here's who's ...

It's important to consider all mathematical descriptors when determining metrics.