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Using the same data, calculate the total of the (x-)2 values. What is the total?

The average of x is 20 and the average of y is 23.8.

PointReference Method (x)Test Method (y)x-y-(x-)(y-)
(x-)2
136-17-17.8302.6
21418-6-5.834.8
331341110.2112.2
456-15-17.8267
5242945.220.8
61621-4-2.811.2
732391215.2182.4
81011-10-12.8128
940422018.2364
106 5-14-18.8263.2
111821-2-2.85.6
122934910.291.8
131016-10-7.878
1443482324.2556.6
151927-13.2-3.2
Total2415

Please select the single best answer