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I'm trying to find the correlation coefficient 'r'. I've tried working out the formula several times but I feel like I'm either missing a step
I'm trying to find the correlation coefficient 'r'. I've tried working out the formula several times but I feel like I'm either missing a step or miscalculating.
| x | y | x2 | y2 | xy |
| 33 | 5 | 1089 | 25 | 165 |
| 35 | 5.5 | 1225 | 30.25 | 192.5 |
| 38 | 6 | 1444 | 36 | 228 |
| 39 | 9 | 1521 | 81 | 351 |
| 41 | 9.5 | 1681 | 90.25 | 389.5 |
| Total | ||||
| 186 | 35 | 6960 | 262.5 | 1326 |
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A Course In Number Theory
Authors: Mofidul Islam
1st Edition
9353147069, 9789353147068
