The relationship study of average and statistical dispersion illustrates Marxist unity of opposites as well as contingency and necessity of contradiction applied in statistics.
通过平均数与统计离差之间关系的研究,论述了马克思主义哲学中的“对立统一”观点、“矛盾的偶然性与必然性”等理论在统计学中的广泛应用。
The important role of calculating average during the course of test paper analysis is explored in this article.
通过对试卷指标的介绍,说明了计算平均数在试卷分析过程中的重要作用。
Based on this the authors expand the concept of average.
调和平均数、几何平均数、算术平均数之间存在着单调上升的关系,并且可以将其归为“幂平均数”家族。
Standard expression of statistical analysis of significant difference between mean values in figures and tables;
图表中平均数差异显著性检验结果的规范表达
The paper tells the differnce between the calculation scope and the caliber of statistics indexes, the distinction between average index and strength opposite index, the categorizing of statistics index, selection of arithmetic average number and harmonic average number when average number is calculated using opposite number or average number, these problems usually puzzle students.
统计指标的计算范围与口径的差异、平均指标与强度相对指标的区分、统计指标归类、由相对数或平均数计算平均数时算术平均数与调和平均数的选择等问题常使学生困惑。
On Choice of Weight in Computing Averages from Comparative Measurement;
相对指标计算平均数的权数选择问题
To reflect the General level of social economic phenomenon, We often adopt various averages in statistics, such as arithmetic averages, mediate averages, modes and middling averages, using artithmetic averages and mediate averages can explain exactly the central tendenly of social economic phenomenon.
为了反映社会经济现象的一般水平,统计上常常采用各种各样的平均数,如算术平均数、调和平均数、众数和中位数。
The expressions of the LS transform of the expected number of departures during the time interval (0, t) are obtained.
对具有多重和单重服务员假期的M/G/1排队系统,进一步分析了其离去过程,得到在(0,t]时间内离去平均数的LS变换表达式;证明了在t=0时刻系统中无顾客且服务员也开始休假的条件下,如果服务时间和休假时间均服从负指数分布,则(0,t]时间内离去平均数的LS变换表达式在到达率和服务率交换时是不变的:讨论了(0,t]时间内离去平均数的渐近展开,给出了便于计算的近似公式,具有重要的应用价值。
PAO can be obtained by mixing two kinds of olefines which have different average carbon in proportion with variance analysis.
充分了解到裂解烯烃的平均碳数分布对产品的粘度指数和凝点的显著性影响。
take an average
平均起来算,算出平均数
deviation of sampling average from general average
抽样平均数和总平均数的离差
average price and index of stocks
股票价格平均数和指数
The Relation between Arithmetic Average, Geometrical Average and Harmonic Average;
算术平均数、几何平均数与调和平均数之间的关系
adjusted treatment mean
调整实验效果平均数
average sth out(at sth);calculate the average of sth
算出某事物的平均数
weighted average of post adjustments
调整后的加权平均数
integrated moving average process
结合移动平均数过程
The average for the last three months
过去3个月的平均数
It averages out at 10% per annum .
他每年达到10%的平均数。
The mean of 7, 9 and 14 is 10.
7、9和14的平均数是10。
DJTA [Dow Jones Transportation Average ]
道—琼斯运输平均数
It is impossible to strike an average.
不可能算出一个平均数。
The mean of 7,9 and 14 is 11.
7、9 和14 的平均数是10。
weighted averages of actual exchange rates
实际汇率的加权平均数
weighted mean value
加权平均值,计数平均值
average sample number
平均抽查数;平均检查量;平均取样量;平均值抽样数
average sound absorption coefficient
平均吸声系数,平均吸声率
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