Question 20: Which of the following statements is always TRUE in simple linear regression analysis? a) If the least squa
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Question 20: Which of the following statements is always TRUE in simple linear regression analysis? a) If the least squa
Question 20: Which of the following statements is always TRUE in simple linear regression analysis? a) If the least squares regression line of yon xis y = 4 + 2x, then the least squares regression line of xon y is x=-2 +0.5y. b) The percentage of variation in y explained by x (or by the regression model y on x) is the same as the percentage of variation in x explained by y (or by the regression model of xony). c) There is no unit measurement for the slope of the regression line. d) The y-intercept and slope of the regression line have the same unit measurement. e) Correlation and slope of the regression line have the same unit measurement.