Hi All: I've attached an example data set to highlight an issue that confuses me. Suppose I want a confidence interval for the difference in two proportions. Should be easy enough. So, via Fit Y by X (JMP v18.0.0), I get three intervals under the following headings:
Two Sample Test for Proportions.
Risk Difference
TOST Tests
As you can see, the intervals are not consistent with each other.
My question(s) is this:
1. Why are they not the same?
2. What formulae is used for each?
3. Am I missing something?
I did find this for the Two Sample Proportions Report (could be more explicit IMHO).
Two Sample Test for Proportions Report
Thanks for your learned consideration!