Question: One year Ted had the lowest ERA(earned-run average, mean number of runs yielded per nine inningspitched) of any male pitcher at hisschool, with an ERA
One year Ted had the lowest ERA(earned-run average, mean number of runs yielded per nine inningspitched) of any male pitcher at hisschool, with an ERA of 3.36. Also, Susan had the lowest ERA of any female pitcher at the school with an ERA of 2.96. For themales, the mean ERA was 3.974 and the standard deviation was 0.637. For thefemales, the mean ERA was 3.804 and the standard deviation was 0.701. Find their respectivez-scores. Which player had the better year relative to theirpeers, Ted or Susan? (Note: Ingeneral, the lower theERA, the better thepitcher.)
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