Using the following data, compute the z-scores for raw scores of 20 and 25. Data: 19, 26, 18, 16, 21, 18, 26

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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  1. Using the following data, compute the z-scores for raw scores of 20 and 25.

Data: 19, 26, 18, 16, 21, 18, 26

 

 

Expert Solution
Step 1

Given,sample size(n)=7sample mean(x¯)=19+26+18+16+21+18+267sample mean(x¯)=1447sample mean(x¯)20.5714

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In step 3, what are you dividing by to get roughly 0.15

 

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