A statistical technique that is used to determine whether or not two or more groups are different with respect to a single variable measured at the interval or ratio level of measurement is:

Question

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An ANOVA (analysis of variance) is used to compare the means of two or more groups with respect to a single variable measured at the interval or ratio level of measurement. A t-test is used to compare two groups only, while a Pearson r is used to measure the strength and direction of a linear relationship between two continuous variables. Multiple regression is used to examine the relationship between one dependent variable and multiple independent variables. Therefore, the best choice for this scenario is an ANOVA.

A Statistical Technique That Is Used to Determine Whether or Not