| Subgroup | Losses (dollars) | Sample mean |
Standard deviation |
|||||||
| 1 | 6835 | 5843 | 6019 | 6731 | 6362 | 5696 | 7193 | 6206 | 6360.63 | 521.72 |
| 2 | 6452 | 6764 | 7083 | 7352 | 5239 | 6911 | 7479 | 5549 | 6603.63 | 817.12 |
| 3 | 7205 | 6374 | 6198 | 6170 | 6482 | 4763 | 7125 | 6241 | 6319.75 | 749.12 |
| 4 | 6021 | 6347 | 7210 | 6384 | 6807 | 5711 | 7952 | 6023 | 6556.88 | 736.51 |
| 5 | 7000 | 6495 | 6893 | 6127 | 7417 | 7044 | 6159 | 6091 | 6653.25 | 503.72 |
| 6 | 7783 | 6224 | 5051 | 7288 | 6584 | 7521 | 6146 | 5129 | 6465.75 | 1034.26 |
| 7 | 8794 | 6279 | 6877 | 5807 | 6076 | 6392 | 7429 | 5220 | 6609.25 | 1103.96 |
| 8 | 4727 | 8117 | 6586 | 6225 | 6150 | 7386 | 5674 | 6740 | 6450.63 | 1032.96 |
| 9 | 5408 | 7452 | 6686 | 6428 | 6425 | 7380 | 5789 | 6264 | 6479.00 | 704.70 |
| 10 | 5598 | 7489 | 6186 | 5837 | 6769 | 5471 | 5658 | 6393 | 6175.13 | 690.46 |
| 11 | 6559 | 5855 | 4928 | 5897 | 7532 | 5663 | 4746 | 7879 | 6132.38 | 1128.64 |
| 12 | 6824 | 7320 | 5331 | 6204 | 6027 | 5987 | 6033 | 6177 | 6237.88 | 596.56 |
| 13 | 6503 | 8213 | 5417 | 6360 | 6711 | 6907 | 6625 | 7888 | 6828.00 | 879.82 |
| 14 | 5622 | 6321 | 6325 | 6634 | 5075 | 6209 | 4832 | 6386 | 5925.50 | 667.79 |
| 15 | 6269 | 6756 | 7653 | 6065 | 5835 | 7337 | 6615 | 8181 | 6838.88 | 819.46 |