How do you determine whether two interval variables have a positive linear relationship?

A) Most of the points fall close to a straight line with positive slope.
B) As the X variable increases,the Y variable increases in a linear way.
C) The scatter diagram shows a linear pattern that is going uphill.
D) All of these choices are true.

Positive Linear Relationship

A relationship between two variables where an increase in one variable is associated with an increase in the other variable, represented as a straight line.

Scatter Diagram

A graphical representation that uses dots to show the relationship between two variables, helping to identify correlations.

Slope

The measure of the steepness or incline of a line, typically described as the ratio of the vertical change to the horizontal change between two points on the line.