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Glossary

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   / Home / LernStats / Correlation / The Covariance between two Variables


LernStats
(Chapter 5 - Page 3 / 9)

Covariance

Change the values for X and Y by clicking with your mouse (between -12 and +12). Click on calculate. Try to generate high and medium oppositions!
Every couple of values differs more or less from its mean or .

The sum of all products of differences is a measure for the degree of variation and covariation between the variables X and Y. The arithmetic mean of this sum of products of differences is called covariance. The covariance can be calculated using the following formula:

 



 
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