normal distribution的例句大全

All datas were processed by statistic package deal SPSS 16.0. Variables of normal distribution were shown as χ± s. t test was used to compare the two groups. Linear correlation analysis was used.

所有数据经SPSS16.0统计软件包进行处理，正态分布资料变量以x±s表示，两组间比较采用t检验，数据的相关分析应用直线相关分析。

In this paper, we concretely design a fixed-width confidence interval for the variance σ 2 of a normal distribution N(μ,σ 2) by two-stage procedures and provide the optimal sample size of the first stage by numerical computations.

利用两阶段抽样，我们具体给出了正态总体方差的一个置信区间，它同时满足可靠度与精度，利用数值计算的方法，我们计算出第一阶段的最优抽样量。

The results showed that the variation coefficients of major soil fertility indexes ranged from 5.00% to 66.77%, with an approximately normal distribution and characterized as space variation structure.

结果表明，土壤肥力要素的变异系数在5.00%~66.77%，各土壤肥力质量要素接近正态分布；8种土壤肥力要素均存在空间变异结构特征；

Historical income distribution of hedge fund is not subjected the traditional normal distribution.

对冲基金历史收益分布不服从传统分析中的正态分布，其形态具有明显的偏度和宽尾。

The method of distinguishing segregation with texture depth was suggested. And it is proved that the distribution function of texture depth is in line with normal distribution.

之后为了判别离析，提出以表面特性指标&构造深度分析离析的方法，并分析了路面检测构造深度数据的概率分布函数，证明其符合正态分布。

The distribution law of size of the rejected parts obtained indirectly after machining, in the rase of refusing to obey normal distribution, was studied in this paper.

本文讨论了机械加工中直接得到的尺寸经检验剔除不合格的产品后，在不服从正态分布的情况下间接得到的尺寸的分布规律。

The result showed that the distribution of urine iodine in pregnant women, men, women and collectivity were alone to normal distribution after test of normality.

正态检验结果表明，孕妇、正常男性和女性以及总体尿碘均属正偏态分布。

Sub-region, in addition to regional Victoria to the rings, the diameter of left side show the trend of normal distribution.

分区域来看，除了四环至五环区域外，胸径呈现左偏正态分布的趋势。

In our observation time window, the volume of cerebral infarction in rats brain of model group and EA group presented a basic normal distribution. The two peak appeared at I/ R48h both.

在我们设定的观察时间窗内（缺血／再灌注24h-72h），模型组和电针组大鼠脑梗死体积比呈现一个基本正态分布，都是在缺血／再灌注48h最大，处于峰值。

Based on examples, introduces significance of difference test method between sample average and ensemble average in cases of totality submission normal distribution ( variance known of unknown big, small sample) or totality non-normal distribution in education experiment;

结合实例，介绍了教育实验中总体服从正态分布（方差已知或未知，大、小样本）或总体非正态几种情形下样本平均数与总体平均数间差异显著性的检验方法；

It is shown that the ice thickness and the ice velocity satisfy with Lognormal distribution and Rayleigh distribution respectively, and that the ice compression strength obeys Normal distribution.

结果表明：冰厚和冰速分别服从对数正态分布和瑞利分布，海冰压缩强度服从正态分布。

As the transient parameters during thrust termination of SRM with four reverse nozzles are determined by identification techniques and considered as random variables which obey normal distribution, the interior ballistic dispersion during thrust termination can be analyzed by Monte Carlo method.

用辨识方法确定了带反喷固体火箭发动机推力终止过程中的瞬变参数，视这些参数是服从正态分布的随机变量，用Monte Carlo方法分析了推力终止过程内弹道的散布。

The Normal Distribution Analysis of the Stock Index Returns of Our Country

我国股票指数收益的正态性分析

The most of soil water properties obey normal distribution. If it would not obey normal distribution, it may be transitioned with log.

土壤水分特性绝大部分符合正态分布，不符合正态的需进行对数转换，使之符合对数正态分布。

The results show: ( 1) The temperature had obvious climate characteristics of land monsoon and normal distribution;

结果表明：（1）枣庄气温具有明显的季风性大陆气候特征，总体呈现正态分布。

The normal distribution test was conducted in the variables, and the abnormal distribution test was applied to analyze the data after logarithm transition;

对各变量进行正态分布检验，非正态分布资料进行对数转换后分析；

We got the normal distribution map through analysis the resistance variance of the F3 population.

对F3代数据进行方差分析，得到其正态分布图。

This paper used entropy theory to reach a conclusion that under the condition of enough large samples, the average empirical information amount is approximate normal distribution;

基于信息-熵理论证明在样本足够大的条件下，抽样信息量的平均值近似服从正态分布；

The GED measures the market risk more accurately than normal distribution;

广义误差分布比正态分布更准确度量了市场风险；

The germination capacity and its relative alkali damage rate showed a continuous and near normal distribution in F3 lines.

结果表明，在F3株系群中水稻发芽率及其相对碱害率均呈单峰接近正态的连续分布。