| matched pair design | 配对设计 |
| mathematical statistics | 数理统计（学） |
| maximum value | 极大值 |
| mean | 均值 |
| mean of population | 总体均数 |
| mean square | 均方 |
| mean variance | 均方，方差 |
| measurement data | 讲量资料 |
| median | 中位数 |
| medical statistics | 医学统计学 |
| mesokurtosis | 正态峰 |
| method of least squares | 最小平方法，最小乘法 |
| method of grouping | 分组法 |
| method of percentiles | 百分位数法 |
| mid-value of class | 组中值 |
| minimum value | 极小值 |
| mode | 众数 |
| moment | 动差，矩 |
| morbidity | 患病率 |
| mortality | 死亡率 |
