JGS Scoring Diff

Looking at purely scoring averages was a good starting point, but what if there was a difference in skill between the players in the morning and the afternoon? 

Using Junior Golf Scoreboard, we can retrieve the scoring differentials of players from both waves:

Ok, so the scoring differential for the morning wave was marginally better, lets run another significance test to see if there this is enough of a difference to conclude a skill disparity: