The fraction of the variability in the values of a response y that is explained by the least-squares regression with x = the explanatory variable is the: y-intercept of the least squares regression line Square of the correlation coefficient Sum of the squared residuals Correlation coefficient Slope of the least squares regression line
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The y-intercept of the least squares regression line is the point where the line crosses the y-axis, which doesn't tell us about the variability explained by the regression. Show more…
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