| Central Tendency - Ungrouped Data |
| Measure | Value | S.E. | Value/S.E. |
| Arithmetic Mean | 280.299 | 9.99719 | 28.0377 |
| Geometric Mean | 255.233 | | |
| Harmonic Mean | 231.659 | | |
| Quadratic Mean | 304.728 | | |
| Winsorized Mean ( 1 / 48 ) | 280.243 | 9.96451 | 28.1241 |
| Winsorized Mean ( 2 / 48 ) | 279.618 | 9.82162 | 28.4697 |
| Winsorized Mean ( 3 / 48 ) | 279.41 | 9.77435 | 28.586 |
| Winsorized Mean ( 4 / 48 ) | 279.132 | 9.69659 | 28.7866 |
| Winsorized Mean ( 5 / 48 ) | 278.194 | 9.53099 | 29.1884 |
| Winsorized Mean ( 6 / 48 ) | 278.111 | 9.50513 | 29.259 |
| Winsorized Mean ( 7 / 48 ) | 277.528 | 9.38281 | 29.5783 |
| Winsorized Mean ( 8 / 48 ) | 276.694 | 9.19461 | 30.0931 |
| Winsorized Mean ( 9 / 48 ) | 276.757 | 9.18742 | 30.1235 |
| Winsorized Mean ( 10 / 48 ) | 276.618 | 9.1125 | 30.3559 |
| Winsorized Mean ( 11 / 48 ) | 276.694 | 9.06447 | 30.5252 |
| Winsorized Mean ( 12 / 48 ) | 276.611 | 9.03105 | 30.6289 |
| Winsorized Mean ( 13 / 48 ) | 276.611 | 8.98507 | 30.7856 |
| Winsorized Mean ( 14 / 48 ) | 276.611 | 8.98507 | 30.7856 |
| Winsorized Mean ( 15 / 48 ) | 274.007 | 8.60154 | 31.8556 |
| Winsorized Mean ( 16 / 48 ) | 274.118 | 8.50867 | 32.2163 |
| Winsorized Mean ( 17 / 48 ) | 273.056 | 8.34534 | 32.7195 |
| Winsorized Mean ( 18 / 48 ) | 273.306 | 8.25939 | 33.0903 |
| Winsorized Mean ( 19 / 48 ) | 273.306 | 8.22872 | 33.2136 |
| Winsorized Mean ( 20 / 48 ) | 273.306 | 8.1645 | 33.4749 |
| Winsorized Mean ( 21 / 48 ) | 272.722 | 8.09325 | 33.6975 |
| Winsorized Mean ( 22 / 48 ) | 271.958 | 7.96688 | 34.1361 |
| Winsorized Mean ( 23 / 48 ) | 271.958 | 7.93077 | 34.2916 |
| Winsorized Mean ( 24 / 48 ) | 273.125 | 7.77023 | 35.1502 |
| Winsorized Mean ( 25 / 48 ) | 273.819 | 7.69899 | 35.5656 |
| Winsorized Mean ( 26 / 48 ) | 273.819 | 7.6592 | 35.7504 |
| Winsorized Mean ( 27 / 48 ) | 274.382 | 7.6027 | 36.0901 |
| Winsorized Mean ( 28 / 48 ) | 273.604 | 7.34212 | 37.265 |
| Winsorized Mean ( 29 / 48 ) | 272.597 | 7.22572 | 37.7259 |
| Winsorized Mean ( 30 / 48 ) | 272.597 | 7.18123 | 37.9597 |
| Winsorized Mean ( 31 / 48 ) | 269.368 | 6.7766 | 39.7497 |
| Winsorized Mean ( 32 / 48 ) | 267.146 | 6.5415 | 40.8386 |
| Winsorized Mean ( 33 / 48 ) | 268.292 | 6.37975 | 42.0536 |
| Winsorized Mean ( 34 / 48 ) | 268.056 | 6.35529 | 42.1783 |
| Winsorized Mean ( 35 / 48 ) | 268.542 | 6.30735 | 42.576 |
| Winsorized Mean ( 36 / 48 ) | 268.042 | 6.25574 | 42.8473 |
| Winsorized Mean ( 37 / 48 ) | 268.042 | 6.20412 | 43.2038 |
| Winsorized Mean ( 38 / 48 ) | 267.778 | 6.07165 | 44.103 |
| Winsorized Mean ( 39 / 48 ) | 267.778 | 6.01776 | 44.4979 |
| Winsorized Mean ( 40 / 48 ) | 268.889 | 5.9105 | 45.4935 |
| Winsorized Mean ( 41 / 48 ) | 267.75 | 5.62794 | 47.5751 |
| Winsorized Mean ( 42 / 48 ) | 268.333 | 5.57255 | 48.1527 |
| Winsorized Mean ( 43 / 48 ) | 268.333 | 5.51454 | 48.6592 |
| Winsorized Mean ( 44 / 48 ) | 268.944 | 5.45718 | 49.2827 |
| Winsorized Mean ( 45 / 48 ) | 267.382 | 5.30213 | 50.4292 |
| Winsorized Mean ( 46 / 48 ) | 267.701 | 5.1495 | 51.9859 |
| Winsorized Mean ( 47 / 48 ) | 266.722 | 5.05382 | 52.7763 |
| Winsorized Mean ( 48 / 48 ) | 267.056 | 4.95913 | 53.8513 |
| Trimmed Mean ( 1 / 48 ) | 279.134 | 9.76707 | 28.5791 |
| Trimmed Mean ( 2 / 48 ) | 277.993 | 9.55068 | 29.1071 |
| Trimmed Mean ( 3 / 48 ) | 277.145 | 9.39595 | 29.4962 |
| Trimmed Mean ( 4 / 48 ) | 276.346 | 9.24537 | 29.8902 |
| Trimmed Mean ( 5 / 48 ) | 275.597 | 9.10451 | 30.2704 |
| Trimmed Mean ( 6 / 48 ) | 275.03 | 8.99281 | 30.5834 |
| Trimmed Mean ( 7 / 48 ) | 274.462 | 8.87581 | 30.9224 |
| Trimmed Mean ( 8 / 48 ) | 273.969 | 8.77131 | 31.2346 |
| Trimmed Mean ( 9 / 48 ) | 273.579 | 8.6895 | 31.4839 |
| Trimmed Mean ( 10 / 48 ) | 273.169 | 8.60013 | 31.7634 |
| Trimmed Mean ( 11 / 48 ) | 272.762 | 8.51251 | 32.0425 |
| Trimmed Mean ( 12 / 48 ) | 272.333 | 8.4221 | 32.3356 |
| Trimmed Mean ( 13 / 48 ) | 271.898 | 8.32622 | 32.6557 |
| Trimmed Mean ( 14 / 48 ) | 271.448 | 8.2256 | 33.0004 |
| Trimmed Mean ( 15 / 48 ) | 270.982 | 8.11355 | 33.3988 |
| Trimmed Mean ( 16 / 48 ) | 270.723 | 8.03632 | 33.6875 |
| Trimmed Mean ( 17 / 48 ) | 270.445 | 7.9604 | 33.9739 |
| Trimmed Mean ( 18 / 48 ) | 270.241 | 7.89365 | 34.2352 |
| Trimmed Mean ( 19 / 48 ) | 270.009 | 7.8275 | 34.495 |
| Trimmed Mean ( 20 / 48 ) | 269.769 | 7.75579 | 34.783 |
| Trimmed Mean ( 21 / 48 ) | 269.52 | 7.68128 | 35.0878 |
| Trimmed Mean ( 22 / 48 ) | 269.3 | 7.60436 | 35.4139 |
| Trimmed Mean ( 23 / 48 ) | 269.122 | 7.53032 | 35.7385 |
| Trimmed Mean ( 24 / 48 ) | 268.938 | 7.44951 | 36.1014 |
| Trimmed Mean ( 25 / 48 ) | 268.67 | 7.37349 | 36.4373 |
| Trimmed Mean ( 26 / 48 ) | 268.348 | 7.29321 | 36.7942 |
| Trimmed Mean ( 27 / 48 ) | 268.011 | 7.20491 | 37.1984 |
| Trimmed Mean ( 28 / 48 ) | 267.625 | 7.10877 | 37.6472 |
| Trimmed Mean ( 29 / 48 ) | 267.267 | 7.02615 | 38.039 |
| Trimmed Mean ( 30 / 48 ) | 266.952 | 6.94305 | 38.4489 |
| Trimmed Mean ( 31 / 48 ) | 266.622 | 6.85084 | 38.9182 |
| Trimmed Mean ( 32 / 48 ) | 266.462 | 6.78851 | 39.252 |
| Trimmed Mean ( 33 / 48 ) | 266.423 | 6.73969 | 39.5305 |
| Trimmed Mean ( 34 / 48 ) | 266.316 | 6.69729 | 39.7647 |
| Trimmed Mean ( 35 / 48 ) | 266.216 | 6.6475 | 40.0476 |
| Trimmed Mean ( 36 / 48 ) | 266.083 | 6.59144 | 40.368 |
| Trimmed Mean ( 37 / 48 ) | 265.971 | 6.52864 | 40.7392 |
| Trimmed Mean ( 38 / 48 ) | 265.853 | 6.45771 | 41.1683 |
| Trimmed Mean ( 39 / 48 ) | 265.742 | 6.38695 | 41.6071 |
| Trimmed Mean ( 40 / 48 ) | 265.625 | 6.30635 | 42.1202 |
| Trimmed Mean ( 41 / 48 ) | 265.435 | 6.22038 | 42.6719 |
| Trimmed Mean ( 42 / 48 ) | 265.3 | 6.152 | 43.1242 |
| Trimmed Mean ( 43 / 48 ) | 265.121 | 6.07251 | 43.6591 |
| Trimmed Mean ( 44 / 48 ) | 264.929 | 5.9801 | 44.3017 |
| Trimmed Mean ( 45 / 48 ) | 264.685 | 5.87119 | 45.082 |
| Trimmed Mean ( 46 / 48 ) | 264.519 | 5.75908 | 45.9308 |
| Trimmed Mean ( 47 / 48 ) | 264.32 | 5.64121 | 46.8552 |
| Trimmed Mean ( 48 / 48 ) | 264.167 | 5.50695 | 47.9697 |
| Median | 265.5 | | |
| Midrange | 363 | | |
| Midmean - Weighted Average at Xnp | 264.904 | | |
| Midmean - Weighted Average at X(n+1)p | 264.904 | | |
| Midmean - Empirical Distribution Function | 264.904 | | |
| Midmean - Empirical Distribution Function - Averaging | 264.904 | | |
| Midmean - Empirical Distribution Function - Interpolation | 264.904 | | |
| Midmean - Closest Observation | 264.904 | | |
| Midmean - True Basic - Statistics Graphics Toolkit | 264.904 | | |
| Midmean - MS Excel (old versions) | 267.493 | | |
| Number of observations | 144 | | |
