Problem: I have 2 samples of  Psychologists: 1 sample of 34 Doctors and 1 sample of 35 Masters' level of education. Each has a value for the hourly rate they charge for their service. I want to know if Doctors charge significantly more at 95% level of confidence.  Question: in PHStat, which 2 sample 1 tail t-test (unsummarized data) would I use, pooled variance t test, separate variance t test, or F test for difference in 2 variances?

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.