The aggregation of Part 1 and Part 2:
More Retrosheet stuff. This time, I looked at the number of times the lead-off batter got on in each game and tried to determine what effect, if any, that had on the production from the third and fourth batters.
For the purposes of this study, I defined getting on base as reaching via a walk or hitsomething easily countable in a box score. I didnt include any times that a hitter may have reached on a fielders choice, hit batsman, error, etc.
The stats for the full year: