1. we examine the balance of some pre-treatment variables used in the previous analyses.
2 using boxplots, compare the distributions of the precinct population (on the original scale, pobtot1994),
a. average poverty index (avgpoverty), previous turnout rate (as a share of the voting age population, t1994), and
b. previous pri support rate (as a share of the voting age population, pri1994s) between the treatment and control groups.
comment on the patterns you observe.