Context involves both the background for the data and how the data behave. This behavior of the data is most easily seen by using two complementary graphs—the running record and the histogram. Here I address the secrets of creating useful histograms.

Phil used to be a very senior financial executive. When asked for a number, he would typically provide with a rough ballpark answer, such as, “It’s about 5 percent.” He’d then be peppered with questions about how he had arrived at that figure.

I live with a German national, who often tells me that we Americans spend way too much of our lives at work. He also frequently comments that we work much less efficiently than Germans do, during the increased time we’re at work.

There’s plenty of noisy disagreement about the state of healthcare, but when you look beyond the controversies, a great deal of common ground exists.

Sometimes when authors try to make a technical concept more understandable, it’s simplified but unfortunately, less accurate.