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EducationWhich test should I use?
By hjjh
Category: Education. Viewed 143 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