USAF Green Belt Practice Exam 2025 – Complete Prep Guide

The designation of the relationship as "Weak Positive" suggests that there is a general trend in which as one variable increases, the other variable also tends to increase, but the correlation is not strong. In a scatter diagram, this would be indicated by points that trend upward from left to right but are dispersed relatively widely, showing considerable variability in the data.

In contrast, a "Strong Positive" relationship would imply that the points are closely clustered around a straight line with a clear upward slope, suggesting that one variable is consistently predictable based on the other. If there was no linear correlation, the points would appear scattered randomly with no discernible upward or downward trend. A "Weak Negative" designation would indicate a slight downward trend, while a "Strong Negative" would show a clear downward slope with tightly clustered points.

Interpreting the scatter diagram as having a "Weak Positive" relationship reflects an understanding that there's some level of correlation, but it's weak enough to indicate that other factors may be influencing the result or that the relationship is not quite robust.