Pooled Estimate Of Sample Proportion Calculator

Introduction & Importance

The pooled estimate of sample proportion is a statistical method used to combine the results of two independent samples to estimate a common population proportion…

How to Use This Calculator

1. Enter the proportions of the two samples.
2. Enter the sizes of the two samples.
3. Click ‘Calculate’.

Formula & Methodology

The formula for the pooled estimate of sample proportion is:

p_pooled = (x1 + x2) / (n1 + n2)

Real-World Examples

Let’s consider three scenarios…

Data & Statistics

Sample Data

Sample	Proportion	Size
1	0.45	100
2	0.55	150

Expert Tips

• Always ensure your samples are independent.
• Consider the sample sizes when interpreting the results.

Interactive FAQ

What is the difference between a pooled estimate and a separate estimate?

The main difference is that a pooled estimate assumes a common population proportion…

CDC Statistics – UK Office for National Statistics – US Census Bureau