One year Todd had the lowest ERA earned run average mean

Last updated: 6/25/2023

One year Todd had the lowest ERA earned run average mean number of runs yielded per nine innings pitched of an male pitcher at his school with an ERA of 3 25 Also Betty had the lowest ERA of any female pitcher at the school with an ERA of 3 24 For the males the mean ERA was 3 928 and the standard deviation was 0 964 For the females the mean ERA was 3 882 and the standard deviation was 0 776 Find their respective z scores Which player had the bette year relative to their peers Todd or Betty Note In general the lower the ERA the better the pitcher Todd had an ERA with a z score of Betty had an ERA with a z score of Round to two decimal places as needed Which player had a better year in comparison with their peers OA Todd had a better year because of a lower z score OB Todd had a better year because of a higher z score OC Betty had a better year because of a higher z score OD Betty had a better year because of a lower z score