Definition of Correlation:
A technique for investigating the relationship between two quantitative, continuous variables.
Correlation is the degree or extent of the relationship between two variables.
- If the value of one variable increases when the value of the other increases, they are said to be positively correlated.
- If the value of one variable decreases when the value other variable is increasing it is said to be negatively correlated.
- If one variable does not affect the other they are considered to not be correlated.
