pokmarks Profiles Tab Window Help 1 Blackboard Learn P Math 1127 Unit 1 Test: Sections X P Homework and Tests - Jazzmy x P Course Home - Jazzmyn Bryan X - Ch. 9 Introduction - Psycholog x C Q & mathxl.com/Student/PlayerTest.aspx?testid=238815925 ATH1127: Introduction to Statistics (Online) 45492 Jazzmyn Bryant 02/08/22 7:36 PM Test: Math 1127 Unit 1 Test: Sections 1.1 - 1.4, 2.1 - 2.3, 3.1- 3.5 Question 19 of 21 > This test: 105 point(s) possible Submit This question: 5 point(s) possible One year Chris 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 3.41. Also, Terry had the lowest ERA of any female pitcher at the school with an ERA of 3.12. For the males, the mean ERA was 4.233 and the standard dev was 0.729. For the females, the mean ERA was 4.557 and the standard deviation was 0.718. Find their respective z-scores. Which player had the better year relative to their peers, Chris or Terry? (Note: In general, the lower the ERA, the better the pitcher.) Chris had an ERA with a z-score of Terry 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? O A. Terry had a better year because of a higher z-score. O B. Chris had a better year b use of a lower z-score. O C. Terry had a better year -score. O D. Chris had a better year because of a higher z-score. Statcrunch Time Remaining: 02:57:26 Next 8