Table 2. Disperse characteristics of carcass weight and backfat thickness of gilts and barrows1)
| Items | Weight | Thickness |
| Skewness2) | Kurtosis3) | Skewness | Kurtosis |
| 1+ grade carcass | | | | |
| Gilts | −0.117 | −1.014 | −0.184 | −0.978 |
| Barrow | −0.017 | −1.053 | −0.624 | −0.511 |
| 1 grade carcass | | | | |
| Gilts | −0.054 | −1.414 | −0.006 | −1.374 |
| Barrows | 0.110 | −1.352 | −0.585 | −0.899 |
| 2 grade carcass | | | | |
| Gilts | 0.206 | −1.173 | 0.382 | −0.489 |
| Barrows | 0.051 | −1.042 | −0.440 | −0.804 |
| All of grades carcass | | | | |
| Gilts | 0.222 | 0.357 | 0.164 | 1.170 |
| Barrows | 0.285 | 0.350 | 0.108 | 0.409 |
Population number for gilts and barrows were 176,461 and 173,718, respectively.
Skewness means that the degree to which the distribution is skewed out of symmetry.
Kurtosis means that the sharpness of the frequency distribution.