Compute the z-score for each of the six entertainment expenses. (Round z-score calculations to 2 decimal places.  Negative amounts should be indicated by a minus sign.)          z157      z132      z109      z145      z125      z139

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.9: Modeling With Equations
Problem 8E
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Compute the z-score for each of the six entertainment expenses. (Round z-score calculations to 2 decimal places.  Negative amounts should be indicated by a minus sign.)


 

    
  z157   
  z132   
  z109   
  z145   
  z125   
  z139   
 

I need the last three i answered te first three myself

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