What is the Sample Proportion Calculator?

The Sample Proportion Calculator is a simple statistical tool that helps users determine the proportion of successes in a sample along with key supporting values. By entering the number of successes and the total sample size, the calculator instantly computes the sample proportion p̂, its complement q̂, and the standard error. This tool is especially useful for students, researchers, and data analysts who need quick and accurate proportion estimates without manual formulas or complex calculations.

How to Use:

1. Enter Number of Successes (x): Provide the count of successful outcomes observed.
2. Enter Sample Size (n): Input the total number of observations in the sample.
3. Click “Calculate”: The tool automatically computes p̂, q̂, and the standard error.
4. Review Result: The output shows all calculated values clearly, making it easy to interpret the sample’s success rate and variability.