probable error (in statistics) The half-width of a 50% confidence interval. The observed value from a normal distribution satisfies |X−μ| < 0.67σ with probability 0.5, so the probable error for a normal distribution is 0.67σ.
probable error
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。