| 释义 |
confidence interval noun[ C ] mathematics specializeduk /ˈkɒn.fɪ.dəns ˌɪn.tə.vəl/ us /ˈkɑːn.fə.dəns ˌɪn.t̬ɚ.vəl/(alsoconfidence limit, confidence limits) in statistics, the interval(= range) within which it is possible to say that the true value of the quantity being estimated will lie with a stated probability: The poll has a plus or minus error rate of 5 percent and a confidence interval of 95 percent. The error bars represent 68% confidence limits. Beyond the use of confidence intervals, the federal government granted states more flexibility in some areas. 11 schools made adequate progress, and three of the 11 made it because of the confidence interval. The researchers noted that their confidence interval is quite wide, giving an estimated range of 8,000 to 194,000 excess deaths. SMART Vocabulary: related words and phrases Statistics actuarial actuary analysis of covariance background variable canonical correlation categorical variable correlation coefficient covariance matrix covariate cross-sectional density function entropy interpoint interquartile range multigroup non-statistical normal distribution pollster statistician stochastic |