How To Calculate Paired Samples T Test By Hand

Introduction & Importance

Paired samples t-test is a statistical method used to compare the means of two related samples. It’s crucial for drawing accurate conclusions from data…

How to Use This Calculator

1. Enter the means of your two samples.
2. Enter the degrees of freedom.
3. Click ‘Calculate’.

Formula & Methodology

The formula for paired samples t-test is t = (x̄1 – x̄2) / (s_p / √n), where…

Real-World Examples

Data & Statistics

Example Data

Sample 1	Sample 2
10	12

Expert Tips

• Always assume equal variances unless proven otherwise.
• Use this test when samples are related (e.g., same subjects, repeated measures).

Interactive FAQ

What are degrees of freedom?

Degrees of freedom (df) is a concept in statistics that…

Learn more about paired t-test

Understand t-tests with examples