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EducationWhich test should I use?
By hjjh
Category: Education. Viewed 186 times. Created February 2014.     Disclaimer.   
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 Is this question discussing proportions?
 
 1 sample T test




YES

NO


YES
1 proportion Z test
YES
 For proportions. Do I have 1 sample?
 
 For the mean! Do I know the population standard deviation?
NO
 T test. 1 sample?



NO



YES

NO
 
 2 proportion Z test
 
 Z test. 1 sample?
2 sample T test






YES
NO

 
 
 1 sample Z test
2 sample Z test