Divide total claims by claim count to get the average severity per claim.
输入总赔款与索赔件数,求平均赔付额。
| Item | Formula / Rule | Source / Standard |
|---|---|---|
| Average severity | Average severity = total incurred losses ÷ claim count | Casualty Actuarial Society, Fundamentals of Ratemaking |
| Link to pure premium | Pure premium = claim frequency × average severity | Casualty Actuarial Society, Fundamentals of Ratemaking |
| Large-loss effect | A single large loss skews the mean, so outliers are trimmed or cross-checked with the median | Insurance Law of the PRC, Art. 107 |