One year

Todd

had the lowest ERA (earned-run average, the mean number of runs yielded per nine innings pitched) of any male pitcher at his school, with an ERA of

2.77.

Also,

Jane

had the lowest ERA of any female pitcher at the school with an ERA of

2.64.

For the males, the mean ERA was

4.009

and the standard deviation was

0.931.

For the females, the mean ERA was

4.901

and the standard deviation was

0.738.

Find their respective z-scores.

Which player had the better year relative to their peers,

Todd orJane?

(Note: In general, the lower the ERA, the better the pitcher.)

Question content area bottom

Part 1

Todd

had an ERA with a z-score of

enter your response here.

Jane

had an ERA with a z-score of

enter your response here.

(Round to two decimal places as needed.)