Question: (a) Draw a scatter diagram treating x as the explanatory variable and y as the response variable. (b) Select two points from the scatter diagram,
(a) Draw a scatter diagram treating x as the explanatory variable and y as the response variable.
(b) Select two points from the scatter diagram, and ï¬nd the equation of the line containing the points selected.
(c) Graph the line found in part (b) on the scatter diagram.
(d) Determine the least-squares regression line.
(e) Graph the least-squares regression line on the scatter diagram.
(f ) Compute the sum of the squared residuals for the line found in part (b).
(g) Compute the sum of the squared residuals for the least-squares regression line found in part (d).
(h) Comment on the ï¬t of the line found in part (b) versus the least-squares regression line found in part (d).
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10 14 17 18 21 105 94 82 76 63
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a b Using the two points 10105 and 18 76 gives m 76 10518 10 298 298 y 105 298 x 10 y 105 298 x 1454 ... View full answer
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