| M(ileage) | P(rice) | M-Mbar | P-Pbar | (M-Mbar)^2 | (P-Pbar)^2 | (M-Mbar)(P-Pbar) | |
| 19 | 14.944 | -5.684210526 | 1.005947368 | 32.31024931 | 1.011930108 | -5.71801662 | |
| 19 | 14.799 | -5.684210526 | 0.860947368 | 32.31024931 | 0.741230371 | -4.893806094 | |
| 20 | 24.76 | -4.684210526 | 10.82194737 | 21.94182825 | 117.1145448 | -50.69227978 | |
| 20 | 14.929 | -4.684210526 | 0.990947368 | 21.94182825 | 0.981976687 | -4.641806094 | |
| 20 | 13.949 | -4.684210526 | 0.010947368 | 21.94182825 | 0.000119845 | -0.051279778 | |
| 21 | 17.879 | -3.684210526 | 3.940947368 | 13.5734072 | 15.53106616 | -14.51927978 | |
| 21 | 11.65 | -3.684210526 | -2.288052632 | 13.5734072 | 5.235184845 | 8.42966759 | |
| 21 | 23.3 | -3.684210526 | 9.361947368 | 13.5734072 | 87.64605853 | -34.49138504 | |
| 22 | 17.899 | -2.684210526 | 3.960947368 | 7.20498615 | 15.68910406 | -10.63201662 | |
| 23 | 21.498 | -1.684210526 | 7.559947368 | 2.836565097 | 57.15280421 | -12.73254294 | |
| 24 | 13.249 | -0.684210526 | -0.689052632 | 0.468144044 | 0.474793529 | 0.471457064 | |
| 25 | 9.599 | 0.315789474 | -4.339052632 | 0.099722992 | 18.82737774 | -1.370227147 | |
| 25 | 10.989 | 0.315789474 | -2.949052632 | 0.099722992 | 8.696911424 | -0.931279778 | |
| 27 | 13.945 | 2.315789474 | 0.006947368 | 5.362880886 | 4.82659E-05 | 0.016088643 | |
| 28 | 13.071 | 3.315789474 | -0.867052632 | 10.99445983 | 0.751780266 | -2.874963989 | |
| 32 | 6.599 | 7.315789474 | -7.339052632 | 53.52077562 | 53.86169353 | -53.69096399 | |
| 33 | 9.41 | 8.315789474 | -4.528052632 | 69.15235457 | 20.50326063 | -37.65433241 | |
| 34 | 5.866 | 9.315789474 | -8.072052632 | 86.78393352 | 65.15803369 | -75.19754294 | |
| 35 | 6.488 | 10.31578947 | -7.450052632 | 106.4155125 | 55.50328421 | -76.85317452 | |
| Sums | 469 | 264.823 | -5.68434E-14 | 2.39808E-14 | 514.1052632 | 524.8812029 | -378.0276842 |
| Mean | 24.68421053 | 13.93805263 | |||||
| SD | 5.344286997 | 5.400006188 | |||||
| Covariance | -21.00153801 | ||||||
| Correlation | -0.727724625 | ||||||