Two Sample Test for Proportions

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Basic Analysis • Contingency Analysis • Two Sample Test for Proportions

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Two Sample Test for Proportions

Note: See also Example of a 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.

Shows the test being performed.

Proportion Difference

Shows the difference in the proportions between the levels of the X variable.

Shows the lower endpoint of the confidence interval for the difference. Based on the adjusted Wald confidence interval.

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.

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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Help created on 7/12/2018