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Roger had an ERA with a z-score of Amber had an ERA with a z-score of (Round to two decimal places as needed.)

Roger had an ERA with a z-score of Amber had an ERA with a z-score of (Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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8:40 Roger had an ERA with a z-score of Amber had an ERA with a z-score of (Round to two decimal places as needed.) 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 2.96. Also, Amber had the lowest ERA of any female pitcher at the school with an ERA of 2.84. For the males, the mean ERA was 4.971 and the standard deviation was 0.623. For the females, the mean ERA was 4.271 and the standard deviation was 0.834. Find their respective z-scores. Which player had the better year relative to their peers, Roger or Amber? (Note: In general, the lower the ERA, the better the pitcher.) ||| = LTE 2.1 4G O 74%
Transcribed Image Text:8:40 Roger had an ERA with a z-score of Amber had an ERA with a z-score of (Round to two decimal places as needed.) 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 2.96. Also, Amber had the lowest ERA of any female pitcher at the school with an ERA of 2.84. For the males, the mean ERA was 4.971 and the standard deviation was 0.623. For the females, the mean ERA was 4.271 and the standard deviation was 0.834. Find their respective z-scores. Which player had the better year relative to their peers, Roger or Amber? (Note: In general, the lower the ERA, the better the pitcher.) ||| = LTE 2.1 4G O 74%
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