Question 8 (1 point) The within-season standard deviation of winning percentages... (a) measures the extent to which there is turnover (i.e., bad teams becoming good and good teams becoming bad) in a league over time. (b) Measures the extent to which multiple teams are winning championships in a league. c) measures the spread, or dispersion, of performance by teams in a league for a given season. ( d) Will give you the same measure of competive balance, no matter if there are differences in the number of games plaed across leagues