Which of the Following Correlation Coefficients Indicates the Strongest Relationship

question 55

Multiple Choice

Which of the following correlation coefficients indicates the strongest relationship between two variables? That is, which one would enable us to make the most accurate predictions of one variable from the other?

• A) 0
• B) +.5
• C) -.9
• D) -.5

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Definitions:

Standard Errors

Measures that provide an estimation of the sampling variation, usually referring to the standard deviation of the sample mean's distribution or other parameter estimates.

Slope Coefficients

In linear regression, these coefficients represent the degree of change in the dependent variable for a one-unit change in an independent variable.

Predictor Variables

Variables that are used in statistical models to predict outcomes or responses of another variable.

Multiple Regression Model

A statistical technique that uses several explanatory variables to predict the outcome of a response variable.