Which of the Following Correlation Coefficients Indicates the Strongest Relationship

question 204

Multiple Choice

Which of the following correlation coefficients indicates the strongest relationship?

• A) +.79
• B) -.85
• C) -1.27
• D) +.35

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Definitions:

Dependent Variable

A variable in an experiment or study whose changes are subject to the variations in other variables (independent variables).

Predicted Values

The values estimated based on a statistical model that represents the expected outcome for a given set of input variables.

Least Squares Line

A straight line that best fits the data points on a scatter plot, minimizing the sum of the squares of the vertical distances of the points from the line.

Coefficient of Determination

A statistical measure, often denoted as \(R^2\), which quantifies the amount of variance of the dependent variable that can be explained by the independent variable(s).