One year Joshhad 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 3.32. Also, Julie had the lowest ERA of any female pitcher at the school with an ERA of 2.74. For the males, the mean ERA was 5.066 and the standard deviation was 0.783. For the females, the mean ERA was 4.296 and the standard deviation was 0.641. Find their respective z-scores. Which player had the better year relative to their peers, Josh or Julie? (Note: In general, the lower the ERA, the better the pitcher.) Josh had an ERA with a z-score of Julie 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?
One year Joshhad 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 3.32. Also, Julie had the lowest ERA of any female pitcher at the school with an ERA of 2.74. For the males, the mean ERA was 5.066 and the standard deviation was 0.783. For the females, the mean ERA was 4.296 and the standard deviation was 0.641. Find their respective z-scores. Which player had the better year relative to their peers, Josh or Julie? (Note: In general, the lower the ERA, the better the pitcher.) Josh had an ERA with a z-score of Julie 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?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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One year Joshhad 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 3.32. Also, Julie had the lowest ERA of any female pitcher at the school with an ERA of 2.74. For the males, the mean ERA was 5.066 and the standard deviation was 0.783. For the females, the mean ERA was 4.296 and the standard deviation was 0.641.
Find their respective z-scores. Which player had the better year relative to their peers, Josh or Julie?
(Note: In general, the lower the ERA, the better the pitcher.)
Find their respective z-scores. Which player had the better year relative to their peers, Josh or Julie?
(Note: In general, the lower the ERA, the better the pitcher.)
Josh had an ERA with a z-score of
Julie 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?
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