網(wǎng)絡(luò)釋義

用法例句

Range,average deviation and standard deviation are the three indices of variability that statisticians use to characterize the dispersion among the measures in a given population.

極差(R)、平均差(AD)和標(biāo)準(zhǔn)差(δ)是描述離散程度所采用的三個測度值,通過證明,三者之間存在著R≥δ≥AD≥0的關(guān)系式。

This paper studies a kind of uncertain multiattribute decision-making problems,in which the information about the attribute weights are unknown completely and the attribute values are in the forms of interval numbers,and presents a method based on deviation degree of interval numbers for determining the weights of multi-attribute decision making problems by maximizing standard and mean deviations.

研究了屬性權(quán)重信息完全未知且屬性值以區(qū)間數(shù)形式給出的不確定型多屬性決策問題,提出了一種基于區(qū)間數(shù)相離度的不確定型多屬性決策權(quán)系數(shù)確定方法——標(biāo)準(zhǔn)差和平均差極大化方法,并給出了一種基于可能度的決策方案排序方法。

Standard deviation and the inherent relation of mean differences and application study;

標(biāo)準(zhǔn)差和平均差的內(nèi)在關(guān)系及應(yīng)用研究

However, if we construct a comprehensive measuring index using the method of standard deviation and mean difference maximization and assimilate the advantages of the above indexes, we can.

而運(yùn)用標(biāo)準(zhǔn)差和平均差極大化方法構(gòu)造一種綜合評價測度指標(biāo),并吸取述上述五個指標(biāo)的長處,可對基金績效作出唯一和合理的評價。

An important inequality between standard deviation and mean deviation δ=E|X-EX| is given :σ≥δ,the equality holds if and only if X is one-point distributed or equal probabieity two-point distributed.

本文證明了隨機(jī)變量標(biāo)準(zhǔn)差和平均差δ＝Ｅ｜Ｘ－ＥＸ｜間的一個重要不等式：σ≥δ，等號當(dāng)且僅當(dāng)Ｘ服從單點(diǎn)分布或等概率兩點(diǎn)分布時成立。

The Study of Measurement Relationship between Range,Average Deviation and Standard Deviation;

極差、平均差和標(biāo)準(zhǔn)差之間測度關(guān)系研究

single plane mean outside diameter deviation

單一平面平均外徑偏差

single plane mean bore deviation

單一平面平均內(nèi)徑偏差

deviation of sampling average from general average

抽樣平均數(shù)和總平均數(shù)的離差

age absolute relative error

平均相對誤差絕對值

average absolute relative deviatio

平均相對離差絕對值

floating average position action

無靜差的平均位置作用

an extreme deviation from the mean.

與平均數(shù)偏差最大的值。

experimental standard deviation of the mean

平均值的實(shí)驗(yàn)標(biāo)準(zhǔn)偏差

The variance is simply the average squared difference of all numbers from their mean or average value.

方差就是各個數(shù)的中值（或平均值）與各個數(shù)的差值的平方的平均值。

the arithmetic mean of the absolute values of deviations from the mean of a distribution.

分布平均數(shù)與偏差絕對值的算術(shù)平均值。

The results reveal that the combined forecasting model is more effective.

結(jié)果表明，此組合預(yù)測平均誤差和預(yù)測平方根誤差均較小。

the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.

接近平均數(shù)的二階矩；平均值隨機(jī)變量的偏差的平方的期待值。

Average Post Adjustment index

平均服務(wù)地點(diǎn)差價調(diào)整數(shù)指數(shù)

arithmetical mean deviation of the (roughness) profile

(粗糙度)輪廓的算術(shù)平均偏差

Diameter Tolerance, Ovality and Average Decarburized Layer Depth

直徑公差，偏圓度及脫碳層的平均深度

Tibet's taxation and corvee labor will be born by the whole society on an equal footing.

西藏差役由全社會平均負(fù)擔(dān)。

standard deviation of the arithmetic mean of a series of measurements

測量列算術(shù)平均值的標(biāo)準(zhǔn)（偏）差