Publication date: 11/29/2021

When both the X and Y variables have two levels, you can construct a confidence interval for the difference between the two proportions. It also computes the test corresponding to the confidence interval.

Note: See also Example of a Two Sample Test for Proportions.

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.

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