| incidence rate | 发病率 |
| incomplete survey | 非全面调检 |
| indepindent variable | 自变量 |
| indivedual difference | 个体差异 |
| infection rate | 感染率 |
| inferior limit | 下限 |
| initial data | 原始数据 |
| inspection of data | 检查资料 |
| intercept | 截距 |
| interpolation method | 内插法 |
| interval estimation | 区间估计 |
| inverse correlation | 负相关 |