| cartogram | 统计图 |
| case fatality rate(or case mortality) | 病死率 |
| census | 普查 |
| chi-sguare(X2) test | 卡方检验 |
| central tendency | 集中趋势 |
| class interval | 组距 |
| classification | 分组、分类 |
| cluster sampling | 整群抽样 |
| coefficient of correlation | 相关系数 |
| coefficient of regression | 回归系数 |
| coefficient of variability(or coefficieut of variation) | 变异系数 |
| collection of data | 收集资料 |
| column | 列（栏） |
| combinative table | 组合表 |
| combined standard deviation | 合并标准差 |
| combined variance(or poolled variance) | 合并方差 |
| complete survey | 全面调查 |
| completely correlation | 完全相关 |
| completely random design | 完全随机设计 |
| confidence interval | 可信区间，置信区间 |
| confidence level | 可信水平，置信水平 |
| confidence limit | 可信限，置信限 |
| constituent ratio | 构成比，结构相对数 |
| continuity | 连续性 |
| control | 对照 |
| control group | 对照组 |
| coordinate | 坐标 |
| correction for continuity | 连续性校正 |
| correction for grouping | 归组校正 |
| correction number | 校正数 |
| correction value | 校正值 |
| correlation | 相关，联系 |
| correlation analysis | 相关分析 |
| correlation coefficient | 相关系数 |
| critical value | 临界值 |
| cumulative frequency | 累积频率 |