One year Roger had the lowest ERA​ (earned-run average, mean number of runs yielded per nine innings​ pitched) of any male pitcher at his​ school, with an ERA of 2.61. ​Also, Rita had the lowest ERA of any female pitcher at the school with an ERA of 2.81. For the​ males, the mean ERA was 3.727 and the standard deviation was 0.746. For the​ females, the mean ERA was 4.228 and the standard deviation was 0.768. Find their respective​ z-scores. Which player had the better year relative to their​ peers, Roger or Rita​