## Plus Four Confidence Interval For Difference of Proportions

Plus Four Confidence interval for Difference Between proportions | ||
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Sample 1 | Sample 2 | |

Sample size | ||

No. of successes | ||

Confidence Level ($1-\alpha$) | ||

Results | ||

Sample proportions: | ||

Standard Error of Diff. of prop.: | ||

Z-critical value: | ||

Margin of Error: | ||

Lower Confidence Limits: | ||

Upper Confidence Limits: | ||