Use the given data to find the equation of the regression line. Examine the scatterplot and identify a characteristic of the data that is ignored by the regression line.   x 6 5 11 4 9 10 7 12 8 3 13   y 7.16 5.68 9.28 3.84 9.50 9.56 8.30 8.64 9.08 1.64 7.64

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