Covariance Calculator
covariance calculator. Get instant, accurate results. Enter values for instant results with step-by-step formulas.
Reviewed by Manoj Kumar, Mathematics Educator
Reviewed by Manoj Kumar, Mathematics Educator
Formula
Cov(X,Y) = ฮฃ(xแตข-xฬ)(yแตข-ศณ) / (n-1)
Measures how two variables change together. Positive = move together, negative = move opposite.
Worked Examples
Example 1: Simple data
Problem:X:[1,2,3,4,5] Y:[2,4,5,4,5]
Solution:Cov = 1.5, r = 0.7746
Result:Cov=1.5
Reviewed by Manoj Kumar, Mathematics Educator ยท Editorial policy