Explanation:
The correlation coefficient: It is a statistical measure which represents the strength of the relationship between the relative movements of two variables.
It is denoted as r. It ranges between -1 to 1.
The correlation between two variables can be positive or negative.
Example:
The correlation of r=0.9 represents the strong positive connection between two variables.
The correlation of r= -0.2 denotes the weak negative connection.
The correlation represents
