If the derived scatter diagram shows a non-linear but scattered relationship it indicates that
A) there is a direct correlation between the two variables.
B) the two variables' data was gathered at different times
C) a third variable needs to be added to the evaluation
D) there is no direct correlation between the two variables
E) you are using the wrong SPC chart

Question

Quizplus · Accepted Answer

If the scatter diagram shows a non-linear but scattered relationship, it indicates that there is no direct correlation between the two variables. This means that changes in one variable cannot be predicted by changes in the other variable. Adding a third variable may provide more insight, but it does not necessarily indicate a correlation between the original two variables. Choosing the wrong SPC chart would not affect the scatter diagram. Data being gathered at different times may affect the results, but that is not necessarily indicated by a non-linear scatter diagram.

If the Derived Scatter Diagram Shows a Non-Linear but Scattered