Calculate the z-score for each subject: Chemistry Math ELA

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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what appears to be Kelly strongest subject area? show your work.

7. Kelly took three standardized tests with the following rnsits:
Test
Score
Mean
SD
Chemistry
Math
85
82
10
90
75
ELA
80
90
12
Cakulate the z-score for each subject:
Chemistry
Math
ELA
Transcribed Image Text:7. Kelly took three standardized tests with the following rnsits: Test Score Mean SD Chemistry Math 85 82 10 90 75 ELA 80 90 12 Cakulate the z-score for each subject: Chemistry Math ELA
Expert Solution
Step 1

a)

For chemistry 

Given :

Test value =x= 85

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