释义 |
standard error of difference stan·dard er·ror of dif·fer·encea statistical index of the probability that a difference between two sample means is greater than zero.stan·dard er·ror of dif·fer·ence (stan'dărd er'ŏr dif'ĕr-ĕns) A statistical index of the probability that a difference between two sample means is greater than zero. |