So I had to make a scatterplot from the given data, then I had to determine the LSRL and plotted the line. Now I have to calculate the residuals. What is the equation to calculate the residual?
sum of the residuals is 0 in the least squares regression i think. So, you are probably looking to sum up the squares of the residuals. Residual are just the observed value minus the regression line value.
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