This provides a measure of the strength of association between two variables; one the dependent variable, the other the independent variable, r, can range from +1 i.e. perfect positive correlation where the variables change value in the same direction as each other, to -1 i.e. perfect negative correlation where y decreases linearly as x increases. There are several possible formulae but practical ones are:
(Visited 233 times, 1 visits today)
Share this:
