EDA for vocabulary score vs. social class

Before we conduct inference, we should take a look at the distributions of vocabulary scores across the levels of (self identified) social class.

100 XP

Using gss, plot the distribution of vocabulary scores, wordsum.
Make this a histogram, using an appropriate binwidth.
Facet this histogram, wrapping by social class level.
Look at the plot! Compare the distributions of vocabulary scores across the levels of (self identified) social class.