How do you calculate the correlation coefficient on a calculator?

How do you calculate the correlation coefficient on a calculator?

Divide the sum by sx ∗ sy. Divide the result by n – 1, where n is the number of (x, y) pairs. (It's the same as multiplying by 1 over n – 1.) This gives you the correlation, r.

What is correlation and how is it calculated?

Divide the sum by sx ∗ sy. Divide the result by n – 1, where n is the number of (x, y) pairs. (It's the same as multiplying by 1 over n – 1.) This gives you the correlation, r.

What does a correlation of 1 mean?

A correlation is a statistical measurement of the relationship between two variables. Possible correlations range from +1 to –1. … A correlation of –1 indicates a perfect negative correlation, meaning that as one variable goes up, the other goes down.