means n. 1.方法,手段;工具 2.金钱,财富,财产;财力;收入 mean time between failures 【电】 失败间的平均时间 angle between half power points 半功率点间的角 difference n. 1.[C,U]不同,差别,区别 2.[U]差额,差 3.[C]意见分歧,不和 beam angle between half power points 半功率点间的束...
美 英 un.平均数差数 英汉 un. 1. 平均数差数 例句 释义: 全部,平均数差数
Re: Difference between K_eq, K_p, K_c, and K «Reply #1 on:December 22, 2014, 06:49:59 PM » Keqmeans the equilibrium constant and is the same as K. For gas phase reactions, K or Keqcan be expressed in terms of either the pressures (Kp) or concentrations (Kc), which are...
小结1. 算法选择: equivalence——means——equivalence tests for the difference between two means 或: means——two independent means——equivalence——equivalence tests for the difference between two means 2. 参数设置: solve for: sample size(估算样本量) power: 1-β alpha: 因等效性试验为双单侧检...
Difference between two means 【例1】 某研究为评价消瘀降脂胶囊治疗高脂血症的有效性,选择高脂血症患者82例,采用随机分组、双盲、多中心、安慰剂组平行对照设计,进行了消瘀降脂胶囊(5粒/次)与安慰剂组的疗效比较,用药8周测量胆固醇...
two independent means——non-inferiority——non-inferiority tests for the difference between two means 2. 参数设置: solve for: sample size(估算样本量) higher means are: better(指标值越高效果越好)、worse(指标值越高效果...
To see why the standard error of the difference between means is smaller in a correlated t test, consider the variance of difference scores. As shown in the section on the Variance Sum Law, the variance of the sum or difference of the two variables X and Y is:...
Difference Between MeansDOUGLAS M. McINTOSH C.B.E., L.L.D., M.A., B.Sc, B.Ed., Ph.D., F.R.S.E., F.E.I.S.Statistics for the Teacher (Second Edition)
THE purpose of this communication is to present a simple test applicable at the 5 per cent level to the general case of the significance of the difference between two means. If we have two samples of n 1 and n 2 variates from normal populations with the same, though unknown, scale factor...
Strength, body composition, and anthropometric measurements were made on seven women throwing event athletes before and after three and six months of train... CH Brown,JH Wilmore - 《Medicine & Science in Sports》 被引量: 333发表: 1974年 Relationships between muscle strength and muscle cross-sec...