Explore BrainMass

Scatter Diagram, Dependent vs. Independent & Coefficients Defined

Define each term.
Scatter Diagram
Dependent vs. Independent variable
Coefficient of Correlation
Coefficient of Determination

Develop a scatter diagram using data that is appropriate to your company. Explain your problem and interpret your results. (You may use Excel or MegaStat to develop your scatter diagram.)

Solution Preview

Scatter diagrams are used to study possible relationships between two variables. Although these diagrams cannot prove that one variable causes the other, they do indicate the existence of a relationship, as well as the strength of that relationship. A scatter diagram is composed of a horizontal axis containing the measured values of one variable and a vertical axis representing the measurements of the other variable. The type of relationship that exists is indicated by the slope of the diagram.

Dependent vs. Independent variable:
Independent variables are those that are manipulated whereas dependent variables are only measured or registered. This distinction appears terminologically confusing to many because, as ...

Solution Summary

Almost 400 words and an Excel spreadsheet are used to define the terms: Scatter Diagram, Dependent vs. Independent variable, Coefficient of Correlation and Coefficient of Determination.