SSN Type | Mean (cm) | Median (cm) | Standard deviation | Range (cm) |
---|---|---|---|---|
Type I | ||||
A | 15.14 | 15.50 | 1.004 | 13.50–16.00 |
B | 10.39 | 11.00 | 1.233 | 8.300–11.30 |
C | 3.613 | 3.650 | 0.3758 | 3.000–4.000 |
D | 2.425 | 2.550 | 0.2659 | 2.000–2.600 |
Type II | ||||
A | 11.90 | 11.90 | 0.2098 | 11.60–12.20 |
B | 8.817 | 8.900 | 1.233 | 8.300–9.000 |
C | 3.433 | 3.400 | 0.1366 | 3.300–3.600 |
D | 2.283 | 2.250 | 0.09832 | 2.200–2.400 |
Type III | ||||
A | 14.37 | 14.50 | 0.9320 | 13.20–15.40 |
B | 9.970 | 10.30 | 0.6996 | 9.000–10.60 |
C | 3.448 | 3.500 | 0.2213 | 3.100–3.700 |
D | 2.735 | 2.600 | 0.5449 | 2.200–3.500 |
Type IV | ||||
A | 15.55 | 15.90 | 0.6442 | 14.50–16.00 |
B | 10.78 | 11.00 | 0.7885 | 9.500–11.50 |
C | 3.817 | 3.900 | 0.2137 | 3.500–4.000 |
D | 2.950 | 2.800 | 0.5282 | 2.400–3.600 |
Type V | ||||
A | 15.50 | 15.50 | 0.7071 | 15.00–16.00 |
B | 10.45 | 10.45 | 0.4950 | 10.10–10.80 |
C | 3.650 | 3.650 | 0.2121 | 3.500–3.800 |
D | 2.650 | 2.650 | 0.2121 | 2.500–2.800 |
Type VI | ||||
A | 13.45 | 13.20 | 2.402 | 11.40–16.00 |
B | 10.10 | 9.850 | 1.667 | 8.700–12.00 |
C | 3.325 | 3.300 | 0.1258 | 3.200–3.500 |
D | 2.275 | 2.250 | 0.09574 | 2.200–2.400 |