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Exhibit 2-2: Examine the following list of research titles, then determine whether the italicized part of each title is an independent variable, a dependent variable, or a variable but impossible to determine whether independent or dependent.
-Refer to Exhibit 2-2.The effect of teacher approval on students' attentive behavior.
Correlation Coefficient
A numerical metric that determines the intensity and orientation of a straight-line association between two factors.
Covariance
A measure of how two random variables change together, indicating the direction of their linear relationship.
Variances
Statistical measures that represent the degree of spread in a data set, indicating the variability around the mean.
Expected Rate of Return
The anticipated amount of profit or loss an investment is projected to generate over a specific period, expressed as a percentage.
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