Definition: to investigate an association/ relationship between two co-variables
Correlation
Definition: As well as being positive, negative or no correlation, correlations can also be strong, weak or moderate in strength
Correlation coefficient
Definition: occurs when two variables are related and as one variable increases/decreases the other also increases/decreases
Positive correlation
Definition: occurs when two variables are related and as one variable increases the other decreases.
Negative correlation
Definition: indicates that there is no relationship between the two variables.
Zero correlation