1) sample arithmetic mean
样品算术平均
2) arithmetical averaging grade
算术平均品位
3) sample average
样品平均
5) sample mean
样品平均值
6) arithmetic average
算术平均
1.
Some elementary proof on equivalence of relation between exponential average E(a,b) (=1/e(b~b/a~a)~(1/(b-a)), a, b are non-equal two positive numbers) and arithmetic average M(o,b)(=1/2(a+b)) were given.
给出指数平均(a,b是不相等的两正数)与算术平均关系的初等证明。
2.
In this paper, we analyzed the relationship between the number of drawn sort standards and the total number of national standards by using grey incidence analysis and arithmetic average method, obstained the distributed situation and tendency of the sort standards in recent years, and discussed the relationship between drawn sort standards and national standard systems.
文章运用灰色关联分析方法和算术平均方法分析了不同类别国家标准制定数与国家标准总数的关系,得到了国家标准中分类标准的分布情况,了解了制定的国家标准的变化趋势,同时探讨了不同类别制定国家标准与我国国家标准体系的关系。
补充资料：简单算术平均数
简单算术平均数是将总体各单位的标志值简单相加求得标志总量，然后除以总体单位总量所得的平均数。在计算算术平均数时，若所掌握的资料是总体各单位的标志值，那么就可以这种方法计算，通常称为简单算术平均法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条