calculatorsonline.co.uk
Correlation Calculator
Compute the Pearson correlation of five paired values.
chart Free Online Tool
โก Instant Results
๐ Clear Comparison
๐ 100% Free Tool
Pearson r
Compare Your Options And Get Clear Answers
Compute the Pearson correlation of five paired values.
Correlation Estimator
Enter your numbers below for an instant estimate.
0
๐ก Tip: r = sum((x-mx)(y-my)) / sqrt(sum(x-mx)2 sum(y-my)2).
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Correlation Quick Guide
Typical values for reference.
| y1 | y3 | y5 | r |
|---|---|---|---|
| 2 | 5 | 7 | 0.8704 |
| 1 | 3 | 5 | 1.0000 |
| 5 | 3 | 1 | -1.0000 |
| 3 | 4 | 5 | 0.3536 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Correlation Calculator FAQ
Answers to common questions about this calculator.
A measure of linear association between -1 and 1.
The share of variation in y explained by x.
No.
More than five for reliable results.