If You Wanted to Compute the Correlation Between Two Interval-Level

question 15

Multiple Choice

If you wanted to compute the correlation between two interval-level variables, which type of correlation should you use?

• A)Point biserial
• B)Phi
• C)Spearman rank
• D)Pearson

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Definitions:

Durbin-Watson Statistic

A statistical method utilized to identify autocorrelation within the residuals of a regression analysis.

Sample Regression Equation

An equation that estimates the relationship between the dependent variable and one or more independent variables based on sample data.

Intercept Term

A constant term in a regression equation that represents the expected value of the dependent variable when all independent variables are zero.

Coefficient

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.