Data on x = age and y = recovery time after shoulder surgery for 10 weightlifters was used to fit the regression line. The resulting regression line was ? = -5 + 0.3x Which of the following statements is true? The line y = -6 + 0.2x will have a smaller sum of squared deviations than the regression line. The line y = -6 + 0.2x will have the same sum of squared deviations as the regression line. The line y = -6 + 0.2x will have a larger sum of squared deviations than the regression line.
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The regression line is a line that best fits the data points on a scatter plot, minimizing the sum of the squared vertical distances (deviations) of the points from the line. The line of best fit is determined using the least squares method, which finds the line Show more…
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