is a statistical method used to
evaluate the strength and direction of the
relationship between two or more variables.
Correlation Analysis
a type of correlation that is a relationship between two variables that can be represented by a straight line.
Linear correlation
A type of correlation that is a relationship between two variables that cannot be represented by a straight line
Non-linear correlation
is a measure of the strength
and direction of the linear relationship
between two variables.
Pearson’s r
displays the strength,
direction, and form of the relationship
between two quantitative variables.
Scatter plot