One year Thomas 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 2.56. Also, Amber had the lowest ERA of any female pitcher at the school with an ERA of 3.06. For the males, the mean ERA was 4.225 and the standard deviation was 0.712. For the females, the mean ERA was 4.199 and the standard deviation was 0.612. Find their respective z-scores. Which player had the better year relative to their peers, Thomas or Amber? (Note: In general, the lower the ERA, the better the pitcher.) Thomas 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 Thomas 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 2.56. Also, Amber had the lowest ERA of any female pitcher at the school with an ERA of 3.06. For the males, the mean ERA was 4.225 and the standard deviation was 0.712. For the females, the mean ERA was 4.199 and the standard deviation was 0.612. Find their respective z-scores. Which player had the better year relative to their peers, Thomas or Amber? (Note: In general, the lower the ERA, the better the pitcher.) Thomas 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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
One year
Thomas
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
2.56.
Also,
Amber
had the lowest ERA of any female pitcher at the school with an ERA of
3.06.
For the males, the mean ERA was
4.225
and the standard deviation was
0.712.
For the females, the mean ERA was
4.199
and the standard deviation was
0.612.
Find their respective z-scores. Which player had the better year relative to their peers,
Thomas
or
Amber?
(Note: In general, the lower the ERA, the better the pitcher.)Thomas
had an ERA with a z-score of
Amber
had an ERA with a z-score of
(Round to two decimal places as needed.)
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