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Message: [QUOTE="connie, post: 2051316, member: 7882"] I went back and gathered the team free-throw percentages for all Division I teams for each year, 2001-02 to 2015-16. I determined the [B]average for all teams. [/B]Unlike the previous calculation, I left out the few teams every year or so that were reclassified mid-season. (I also caught a few data collection errors.) In light of the roughly 340+ data points (teams) each year, I do not regard the excluded data as significant. But I leave it to others to check me on that. Here is the graph, showing that [B]overall team free throw shooting generally [I]improved [/I]over a 14-year time-frame[/B]: [ATTACH=full]19922[/ATTACH] [B]NCAAWB Team free throw percentage 2001-02 to 2015-16 Average for all teams[/B] I also determined the [B]standard deviation for each year. [/B]If the average goes up each year [B][I]and[/I][/B] the deviation drops each year, then that tells you that not only is free throw shooting improving overall, but also that [I]all[/I] teams are generally improving: i.e., increasing performance and increasing parity. And guess what? That is exactly what we find. Here is the graph, showing declining standard deviation (the difference between best and worst is shrinking). [ATTACH=full]19923[/ATTACH] [B] NCAAWB Team free throw 2001-02 to 2015-16 -- Standard Deviation [U]Conclusion[/U][/B]: free throw performance is improving, and there is a decline in the difference between the best and the worst. I'd love to prove that the rising tide of UConn excellence is lifting all boats. But that's for another day. [/QUOTE]

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