图1：平均值为3且方差为1的正态分布。
针对医生提供的数据，在样本服从正态分布的假设下，进行了频数分析、配对检验和方差分析。
According to data provided by doctor, under the assumption that sample is normal, performed frequency analysis, pair test and variance analysis.
计量资料差异性比较采用单因素方差分析，非正态分布资料经正态转换后再作统计学处理。
Difference of measurement data was compared with single factor analysis of variance. After normal transformation, the non-normal distribution data were conducted with statistical disposal.
特别地，本文集中讨论当数据是来自参数未知的正态分布四舍五入后的数据，均值和方差的联合置信集。
In particular, we focus discussion on joint confidence sets of the parameter mean and variance when a rounded sample comes from the normal distribution with both parameters unknown.
提出利用高斯随机分布的密度函数设置稀疏阵列，稀疏阵列得到的协方差矩阵经扩展后，增益会有明显的提高。
This paper points out that a thinned array can be set with the density function of the Gaussian distribution, after the extending of covariance matrix the gain can be increased clearly.
这一类分布族的参数估计可用无偏估计，一致最小方差无偏估计和最优线性无偏估计。
The estimation of this class of the distributed group can be done by the unbiased estimation, uniformly minimum variance estimation and the optimal linear unbiased estimation.
在PP图的应用中，检验了对数收益的无条件方差的分布和ARCH类模型。
In the application of pp plots, unconditional variance distribution of logarithmic return and ARCH type models are tested.
其次，提出了价格的凸分布模型，并给出了期望价格，价格的方差和期望收益的计算公式。
Second, a convex distribution model for the price is proposed. The formulae are given respectively for the expectation price, the variance of the price and the income.
结果显示不等式限制条件下的最小二乘平差的传统解实际上是基于后验分布模式下的贝叶斯解，而且从方差最小的意义上来讲它不是最优解。
The results show that traditional solution of LSI is actually a Bayes solution based on the mode of the posterior distribution and that it is not the best solution in the sense of variance minimizing.
同时，又用方差来描述奖级设置和奖金分布的合理性，并建立了彩票方案合理性的判定模型。
At the same time, it also describes award grades set and the rationality of the bonus distribution with variance.
二次方差法对已获取的食物点作方差计算，快速剔除距其他点较远的噪声点，获得食物分布的期望位置。
The quadratic method to food spot which gains made the variance computation, rejected noise spots which were apart from other normal spots, so that it obtained the expected food distribution position.
结论：对于问卷项目的应答为连续性正态分布的数据，在拟合重复调查的情形下，可以采用两水平方差成份模型评价问卷项目应答的信度。
Conclusion:In the condition of unrepeated measurement, the variability between interviewers can be estimated by fitting two level variance component model for normally distributed data.
通过调整分布参数的数值，就能产生具有任何形状参数和任何方差的GGD随机数，简单易于实现。
Random Numbers of GGD with any shape parameter and any variance can be generated easily by adjusting the numerical values of these parameters.
如何绘制一个高斯分布的协方差矩阵的轮廓？
How to plot contour of a covariance matrix of a gaussian distribution?
方差是描述随机变量分布情况的指标，本文用方差来描述特征词在类间的分布情况。
Variance is an index that can describe distribution of random variables, and is used to describe inter-category distribution of feature term .
绘制了各土层盐分的随机性和结构性的半方差图以及空间分布图。
Spatial distribution maps and (semi -) variograms that can explicitly explain the random and structural variability of soil salinity were also mapped.
提出利用高斯随机分布的密度函数设置稀疏阵列，在稀疏阵列得到的协方差矩阵经扩展后，增益有了明显的提高。
This paper points out that we can use the density function of the Gaussian distribution to set a thinned array, extending the covariance matrix will advance the gain clearly.
该方法不需假设系统或单元产品的寿命服从某一分布，减少了因寿命分布选择不当所造成的可靠性和方差的误差。
This method can be used without assuming that lives of system or component follow time-to-failure distribution, decreasing reliability and variance errors due to incorrect life distribution selection.
推导出了正态分布下大额赎回量的期望和方差计算公式。
The expectation and variance of LAR formula is given by inference under normal distribution.
通过对上证指数的统计分析表明，上证指数的收益率分布表现出非正态性，并存在自回归条件异方差的特征。
According to statistical analysis on Shanghai stock index, the distribution of the rate of return is non-positive skewed, and there exists an autoregressive heteroskedasticity in the rate of return.
在这类特殊的多传感器系统中，本文通过矩阵运算消除相关估计方差，得到了最优分布式融合估计算法。
For this special multisensor system, distributed optimal fusion algorithm is received by avoiding computing correlated estimation covariance based on the matrix operation.
利用加权方差法建立的- R图，适用于控制广泛的一类偏态分布过程。
The weighted variance -r control charts can be used to skewed processes of a wide variety of shape from highly skewed to nearly symmetric.
文中对结合使用OA-MLHS与BCT从而减少了分布参数的估计方差的数学原理进行了分析。
The principle of variance reduction of model parameters estimation through OA-MLHS together with BCT is also discussed.
产生的原因在于单位权方差与分布的总体方差不相等。
The cause is that the unit weight estimation variance and the generality variance of the distribution don't equal with each other.
是一个n - n矩阵随机作品，选自正态分布均值为零，方差一个标准偏差为一。
RANDN (n) is an N-by-N matrix with random entries, chosen from a normal distribution with mean zero, variance one and standard deviation one.
文章利用方差分析方法，提出了一种与分布无关的线性分类算法。
This article USES the ideology of variance analysis and provides a linear classifying algorithm which is with-out the connection with distribution.
方法用正态分布小样本容量的简化检验(A法)和方差检验(B法)来判定两种测定方法所得结果的异同。
Methods the simplified test of normal distribution (method a) and analysis of variance (method b) were adopted to judge if the two testing methods have variation.
方法用正态分布小样本容量的简化检验(A法)和方差检验(B法)来判定两种测定方法所得结果的异同。
Methods the simplified test of normal distribution (method a) and analysis of variance (method b) were adopted to judge if the two testing methods have variation.
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