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 #1
avatar+118723 
+10

z=-0.612

 

this is a great site

http://davidmlane.com/hyperstat/z_table.html

 

If you need to use set tables you will need to explain what that table looks like. 

There  are a couple of different ones that are used.    

Jun 28, 2015
 #1
avatar+118723 
+5
Jun 28, 2015
Jun 27, 2015

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