1. The percentage of the variation in the dependent variable
that is explained by a regression equation is measured by
a. the coefficient of correlation.
b. the MSE.
c. the coefficient of determination.
d. the slope.
2. Correlation coefficient measures the
a. degree or strength of the linear relationship.
b. variability in Y that is explained by the regression
c. both a and b.
d. none of the above.
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