15: Two Independent Proportions Comparison
Two Independent Proportions Comparison
This calculator performs the hypothesis test and also constructs a confidence interval for \(p_1\)−\(p_2\) given statistics. Please report the error to Dr. Jessica Kuang at jkuangATvcccd.edu.
To learn how to use this calculator, please watch a short video here.
Input
Enter the sample size and the number of successes for each sample, choose the test, and enter the confidence level then hit Calculate. The test statistic, p-value, and the boundaries of the confidence interval will be shown. Be sure to enter the confidence level as a decimal, e.g., enter 95% as 0.95.
| Sample Size ( N ) | Number of Successes ( X ) | |
| First Sample | ||
|
choose a test \(\lt\) \(\gt\) \(\neq\) |
||
| Second Sample |
| Confidence Level (enter a decimal): |
Output
| Test Statistics (z): | p-value: | Lower Bound: | Upper Bound: |
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