Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y the high temperature. Based on the data shown below, calculate the regression line (each value to two decimal places). y = X y 4 18.34 5 20.1 6 20.06 7 19.92 8 22.68 9 22.64 10 22.7 11 21.76 12 22.52 13 26.68 14 25.94 X +

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