Using the data, calculate the total of the
(x-)(y-) values. What is the total (rounded to the nearest whole number)?
Point | Ref. Method (x) | Test Method (y) | x- | y- | (x-)(y-) | (x-)2 |
1 | 3 | 6 | | | | |
2 | 14 | 18 | | | | |
3 | 31 | 34 | | | | |
4 | 5 | 6 | | | | |
5 | 24 | 29 | | | | |
6 | 16 | 21 | | | | |
7 | 32 | 39 | | | | |
8 | 10 | 11 | | | | |
9 | 40 | 42 | | | | |
10 | 6 | 5 | | | | |
11 | 18 | 21 | | | | |
12 | 29 | 34 | | | | |
13 | 10 | 16 | | | | |
14 | 43 | 48 | | | | |
15 | 19 | 27 | | | | |
Total | | | | | | |
Please select the single best answer