standard error of difference

stan·dard er·ror of dif·fer·ence

a 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.