Percentage Difference
Examples of ZumaStat Programs

Expands the Capabilities of SPSS and Excel 

Uses Summary Statistics as Input

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Program Dynamic

This program calculates a significance test and confidence interval for the difference between two percentages derived from independent groups.

After entering the percentages, sample sizes, and desired confidence interval, ZumaStat creates an ascii window with the results.  The output below is self explanatory.

 

How it Appears on Your Screen

 

 

Output

 

Here is what the output looks like: