2nd October 2019

dummies
16

What is considered a strong correlation?

In statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1. A perfect downhill (negative) linear relationship. –0.70. A strong downhill (negative) linear relationship.

How do you know if its a positive or negative correlation?

The direction of a correlation is either positive or negative. In a negative correlation, the variables move in inverse, or opposite, directions. In other words, as one variable increases, the other variable decreases. For example, there is a negative correlation between self-esteem and depression.
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