JMP 12 Online Documentation (English)
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Basic Analysis
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Contingency Analysis
• Two Sample Test for Proportions
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Two Sample Test for Proportions
When both the X and Y variables have two levels, you can request a confidence interval for a difference between two proportions. It also outputs the test corresponding to the confidence interval.
Description of the Two Sample Test for Proportions Report
Description
Shows the test being performed.
Proportion Difference
Shows the difference in the proportions between the levels of the X variable.
Lower 95%
Shows the lower endpoint of the confidence interval for the difference. Based on the adjusted Wald confidence interval.
Upper 95%
Shows the upper endpoint of the confidence interval for the difference. Based on the adjusted Wald confidence interval.
Adjusted Wald Test
Shows two-tailed and one-tailed tests.
Prob
Shows the p-values for the tests.
Response <variable> category of interest
Select which response level to use in the test.
Related Information
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Example of a Two Sample Test for Proportions