When entering the confidence level value, the number should be expressed in a decimal format, such as .95.
Enter a positive whole number for the two sample sizes n1, n2.
Enter the number of successes x1 and x2.
For example, if a survey of 500 people shows that 200 like apple pie, then n = 500 and x = 200.
Click on the Evaluate button to obtain the results.
Click on the Print button to print the results.
To close the window, click on the X at the top of the module window.