y A x B
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Step 1: Removing point A would decrease the slope of the regression line. Show more…
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Rochan B.
Which of the following statements is TRUE? A. As the slope of the regression line approaches zero (i.e., becomes flatter/horizontal), the y-intercept will become smaller and approach zero. B. The value for the slope of the regression line indicates where the regression line crosses or intercepts the y-axis. C. The slope of the regression line always has the same sign (+ or -) as the sign for the correlation coefficient. D. As the slope of the regression line becomes flatter or horizontal, the strength of the correlation between the x variable and y variable increases.
Jacob F.
Above is a scatterplot with one point labeled X. Suppose you find the least squares regression line. Which of the following is a correct statement? A. X has the largest residual, in absolute value, of any point on the scatterplot. B. X is an influential point. C. The residual plot will show a curved pattern. D. The association between the x and y variables is very weak. E. If the point X were removed, the correlation would be 1.
Jason H.
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