Bivariate data for the quantitative variables x and y are given in the table below. These data are plotted in the scatter plot shown next to the table. In the scatter plot, sketch an approximation of the least-squares regression line for the data. x y 6.0 6.7 11+ 5.8 4.5 10- 6.6 5.3 5.0 4.2 9- 5.7 7.0 8- 3.3 2.4 7.3 7+ 8.4 8.4 9.1 3.9 1.9 8.9 9.5 7.9 7.9 4- 3.0 1.7 3 7.0 6.1 2+ 3.4 2.0 8.0 8.7 1+ 4.3 4.9 ++ + + ++++ 4.3 3.2 0 3 5 6 7 8 10 11 6.8 7.4 X ค
Bivariate data for the quantitative variables x and y are given in the table below. These data are plotted in the scatter plot shown next to the table. In the scatter plot, sketch an approximation of the least-squares regression line for the data. x y 6.0 6.7 11+ 5.8 4.5 10- 6.6 5.3 5.0 4.2 9- 5.7 7.0 8- 3.3 2.4 7.3 7+ 8.4 8.4 9.1 3.9 1.9 8.9 9.5 7.9 7.9 4- 3.0 1.7 3 7.0 6.1 2+ 3.4 2.0 8.0 8.7 1+ 4.3 4.9 ++ + + ++++ 4.3 3.2 0 3 5 6 7 8 10 11 6.8 7.4 X ค
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 2ECP
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