sample arithmetic mean是什么意思

网络释义

用法例句

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。

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。

Average sample

平均选样，平均样品

All data collected were analyzed by SAS and MDAS computer software.

经已知样品分别回代，其判对符合率平均为85.78%(83.33%？

sampling distribution of sample mean

样本平均值的抽样分布

Single sampling procedures and tables for product quality audit by variables for mean value

GB/T14900-1994产品质量平均值的计量一次监督抽样检验程序及抽样表

average sample number

平均抽查数;平均检查量;平均取样量;平均值抽样数

deviation of sampling average from general average

抽样平均数和总平均数的离差

standard error of sample mean

样本平均值的标准误

average wage expended on a product

产品平均工资支出量

Gifts and samples carried in should be declared by filling in the Blanks of this declaration.

所带礼品和样品均应填表申报。

Determination of molecular weight averages and molecular weight distribution of polystyrene standards by steric exclusion chromatography

GB/T6599-1986体积排斥色谱法测定聚苯乙烯标准样品的平均分子量及分子量分布

The dried sample is crushed and homogenized, and stored in a jar.

把干燥的样品粉碎，均化并存入瓶中。

The products feature bright surface, homogeneous structure, and precision dimension.

样品表面光洁、质地均匀、规格精确。

paper and board-sampling to determine average quality

纸和纸板-测定平均质量的取样

average sample size in sequential tests

序贯检验的平均样本容量

I' ll pay for the taxi, to even things up.

我来付出租车费，这样才平均一点。

any member of various peoples having an average height of less than five feet.

各种各样的平均身高不到5英尺的人。

In this way, the average autumn catch has been increased by two or three times.

这样, 秋季平均捕鱼量增加了两到三倍。

How to Calculate PFDavg

怎样计算要求时的平均失效概率(PFDavg)