| Central Tendency - Ungrouped Data | |||
| Measure | Value | S.E. | Value/S.E. |
| Arithmetic Mean | 18.7566666666667 | 0.270742509760357 | 69.2786171010559 |
| Geometric Mean | 18.6441387295014 | ||
| Harmonic Mean | 18.5344546503816 | ||
| Quadratic Mean | 18.8716012392519 | ||
| Winsorized Mean ( 1 / 20 ) | 18.7416666666667 | 0.266291667826932 | 70.380221880796 |
| Winsorized Mean ( 2 / 20 ) | 18.765 | 0.258295422769605 | 72.649371013973 |
| Winsorized Mean ( 3 / 20 ) | 18.745 | 0.253199024016112 | 74.0326708321244 |
| Winsorized Mean ( 4 / 20 ) | 18.7516666666667 | 0.249196354258079 | 75.2485594040698 |
| Winsorized Mean ( 5 / 20 ) | 18.7433333333333 | 0.247203188077858 | 75.8215679946248 |
| Winsorized Mean ( 6 / 20 ) | 18.6733333333333 | 0.227797941324243 | 81.9732312977935 |
| Winsorized Mean ( 7 / 20 ) | 18.685 | 0.225767054088643 | 82.7622970739729 |
| Winsorized Mean ( 8 / 20 ) | 18.6716666666667 | 0.223076735127577 | 83.7006452330784 |
| Winsorized Mean ( 9 / 20 ) | 18.6866666666667 | 0.215034705734756 | 86.9007009952922 |
| Winsorized Mean ( 10 / 20 ) | 18.67 | 0.211762845713923 | 88.1646633386382 |
| Winsorized Mean ( 11 / 20 ) | 18.6516666666667 | 0.201708684981552 | 92.4683370394912 |
| Winsorized Mean ( 12 / 20 ) | 18.7316666666667 | 0.182535371801108 | 102.619379914359 |
| Winsorized Mean ( 13 / 20 ) | 18.71 | 0.178406315917688 | 104.872968783416 |
| Winsorized Mean ( 14 / 20 ) | 18.57 | 0.145813517620637 | 127.354447674142 |
| Winsorized Mean ( 15 / 20 ) | 18.57 | 0.138051411040943 | 134.515104626439 |
| Winsorized Mean ( 16 / 20 ) | 18.57 | 0.129956533367783 | 142.893931676725 |
| Winsorized Mean ( 17 / 20 ) | 18.5983333333333 | 0.126077092070722 | 147.515563913075 |
| Winsorized Mean ( 18 / 20 ) | 18.5983333333333 | 0.126077092070722 | 147.515563913075 |
| Winsorized Mean ( 19 / 20 ) | 18.5666666666667 | 0.111782341637987 | 166.096598036887 |
| Winsorized Mean ( 20 / 20 ) | 18.5333333333333 | 0.106608388034182 | 173.844982323445 |
| Trimmed Mean ( 1 / 20 ) | 18.7310344827586 | 0.257744027370570 | 72.6730107923246 |
| Trimmed Mean ( 2 / 20 ) | 18.7196428571429 | 0.247197534489149 | 75.7274658739147 |
| Trimmed Mean ( 3 / 20 ) | 18.6944444444444 | 0.239473226149385 | 78.0648623858381 |
| Trimmed Mean ( 4 / 20 ) | 18.675 | 0.232305563453532 | 80.389809535214 |
| Trimmed Mean ( 5 / 20 ) | 18.652 | 0.224812665777259 | 82.966855695222 |
| Trimmed Mean ( 6 / 20 ) | 18.6291666666667 | 0.215941742811380 | 86.2694096293315 |
| Trimmed Mean ( 7 / 20 ) | 18.6195652173913 | 0.210924341707650 | 88.2760380648657 |
| Trimmed Mean ( 8 / 20 ) | 18.6068181818182 | 0.204892529125039 | 90.8125750669174 |
| Trimmed Mean ( 9 / 20 ) | 18.5952380952381 | 0.197691449452015 | 94.0619240072475 |
| Trimmed Mean ( 10 / 20 ) | 18.58 | 0.190350553803590 | 97.6093824196145 |
| Trimmed Mean ( 11 / 20 ) | 18.5657894736842 | 0.18136029055417 | 102.369650031735 |
| Trimmed Mean ( 12 / 20 ) | 18.5527777777778 | 0.172078152746237 | 107.815998031647 |
| Trimmed Mean ( 13 / 20 ) | 18.5264705882353 | 0.164620712636791 | 112.540337673735 |
| Trimmed Mean ( 14 / 20 ) | 18.5 | 0.155218368550516 | 119.186924671091 |
| Trimmed Mean ( 15 / 20 ) | 18.49 | 0.152402220395929 | 121.323691688773 |
| Trimmed Mean ( 16 / 20 ) | 18.4785714285714 | 0.150075566755423 | 123.128446742339 |
| Trimmed Mean ( 17 / 20 ) | 18.4653846153846 | 0.148421676593550 | 124.411642821902 |
| Trimmed Mean ( 18 / 20 ) | 18.4458333333333 | 0.146081569266034 | 126.270777525268 |
| Trimmed Mean ( 19 / 20 ) | 18.4227272727273 | 0.141257772751977 | 130.419211019801 |
| Trimmed Mean ( 20 / 20 ) | 18.4 | 0.138602042971197 | 132.754175952686 |
| Median | 18.3 | ||
| Midrange | 19.5 | ||
| Midmean - Weighted Average at Xnp | 18.4516129032258 | ||
| Midmean - Weighted Average at X(n+1)p | 18.49 | ||
| Midmean - Empirical Distribution Function | 18.4516129032258 | ||
| Midmean - Empirical Distribution Function - Averaging | 18.49 | ||
| Midmean - Empirical Distribution Function - Interpolation | 18.49 | ||
| Midmean - Closest Observation | 18.4516129032258 | ||
| Midmean - True Basic - Statistics Graphics Toolkit | 18.49 | ||
| Midmean - MS Excel (old versions) | 18.5 | ||
| Number of observations | 60 | ||
