1) The document discusses how advanced statistics have become an integral part of evaluating sports performance and are used to gain new insights beyond traditional statistics like points and rebounds.
2) The author conducted a study analyzing the 2011-2012 season of the Creekview high school boys' basketball team using advanced statistics calculated from traditional stats.
3) Some challenges included collecting traditional stats from the coach and deciding which advanced stats to calculate from the many available online resources, but the author found the process fascinating overall.