February 2016
Beginner
400 pages
9h 30m
English
In statistics, you can’t win arguments by invoking the truth... if the truth is knowable, statisticians would all be unemployed.
—Kaiser Fung, “Numbersense and true lies”
On a sluggish August 2013 afternoon, the national public television channel in Spain, Televisión Española (TVE), delivered some cheery news. After enduring five years of economic crisis, unemployment in the country experienced a noticeable drop, from 5.0 million people to 4.7. TVE’s audience was exposed to a chart similar to Figure 8.1 for a few short seconds. Uncork the champagne!

Figure 8.1 Unemployed workers in Spain. Do you notice something fishy?