Let's suppose we'd like to compare the distributions of electorate data between the UK and Russia. We've already seen in this chapter how to make use of CDFs and box plots, so let's investigate an alternative that's similar to a histogram.
We could try and plot both datasets on a histogram but this would be a bad idea. We wouldn't be able to interpret the results for two reasons:
An alternative to the histogram that addresses both of these issues is the probability mass function (PMF).
The probability ...