Bivariate data obtained for the paired variables x and y are shown below, in the table labelled
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Question:
Bivariate data obtained for the paired variables x and y are shown below, in the table labelled "Sample data." These data are plotted in the scatter plot in Figure 1, which also displays the least-squares regression line for the data. The equation for this line is:
In the "Calculations" table are calculations involving the observed y values, the mean of these values, and the values predicted from the regression equation.
The least squares regression line given above is said to be a line which "best fits" the sample data. The term "best fits" is used because the line has an equation that minimizes the total sum of squares, which for these data is which of the following: (69.3999, 1149.7347, or 1210.5720)?
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