For the data below, calculate the correlation coefficient between X and Y. You may use the calculator to find the answer, or you can use the totals provided to aid in the calculation by hand, in which case partial credit can be awarded if an error is made. Please round your answer to 3 decimal places. X Y X² Y² XY 20 16 400 80 15 36 225 90 2 100 4 20 8 225 64 120 6 256 36 96 4 324 16 72 Total 55 957 745 478 -0.779 0.779 -0.798 0.824 -0.824 0.798 OO 4 6 10 15 16 18 69

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