正态分布检验

对数据先进行正态分布检验，若符合正态分布，两组间计量资料均数的比较，用t检验，多组间比较用F检验。

The data were firstly treated with normal distribution test . If accorded with the normal distribution , the mean of the measurement data between two groups were compared with the t test , and the F test was applied in the comparison among many groups .

并在此基础之上，利用GPS掌上电脑进行采样点定位，在野外53个观测点采集530个土壤样品，进行了样点均匀分布设计、检验和观测值正态分布检验。

In this work , 530 soil samples at 53 sites located by GPS Personal Digital Assistant ( PDA ) were tested for the uniformity variations of the sampling point distribution in Beijing , China . The normal distribution test on the observation values of the soil samples was made .

首先对一般指标年龄、孕周进行正态分布检验，符合正态分布，用X±S表示。

First of all , the general index age , gestational age normality test , normal distribution .

2。研究了F2的8个产量及纤维品质性状，并对各自观察值的均值进行正态分布检验，作出相应的频率分布图。

The fiber traits about cotton yield and quality were observed and the normal distribution test for these traits segregated in p2 was performed . Accordingly , the frequency charts of each trait were made out .

在通过对总辐射和日照百分率的正态分布检验以及相关性检验的前提下，以日照百分率资料为参考，采用potter法对70个辐射站进行总辐射资料的均一性检验。

The error range of calculating solar radiation with sunshine data is obtained . The homogeneity test is carried out using 70 monthly total solar radiation series over China with potter method .

由此产生的高斯密钥周期长（大于2~（88）），精度高（小数部分等于26b），并且通过了正态分布检验。

The period length of generated Gaussian random secret-key is longer than 2 ~ ( 88 ), and its precision is high ( achieve 26 fractional bits ) .

3煤层瓦斯是屯留矿主要的瓦斯来源，论文在概率统计理论基础上，对矿井各个用风地点的实测瓦斯数据进行了正态分布检验。

Based on probability and statistics theory , the paper did normal distribution test on the measured data in every air-used location .

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；

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

论文对问卷进行了正态分布检验、内容效度分析，并阐述了保证问卷质量的方法。

The normal distribution was tested , the content validity was analyzed , and the method to guarantee the quality of the questionnaire was introduced .

接着对这些现金流指标进行正态分布检验和显著性检验，选出均值差异显著的现金流指标作为预警指标。

Then according to the results of the normal distribution test ( K-S test ) and significance test ( paired T test and Mann-Whitney U test ), we choose the cash flow index which is significantly different as the early-warning index .

从考试成绩正态分布检验的意义、考试成绩正态分布检验的数学模型和系统实现的方法等几个方面，论述了在考试系统中成绩正态分布检验的设计与实现方法。

This paper discusses the design and the methods of realization of examining the normal distribution of test scores in a testing system from the aspects of the significance of the examination , the mathematical model for the examination , and the realization methods of the system .

由正态分布W检验统计量的思想出发，给出了用于检验Pareto分布的R~2检验统计量。

According to the thought of W testing statistics for Normal Distribution , we deduce a R2 testing statistics for Pareto Distribution .

通过对数转化、稳健统计、域法处理和Box-Cox转化4种数据处理方法对土壤全磷进行了正态分布性检验。

The purpose of this study is to evaluate various data processing methods , including logarithmic transformation , robust statistics , excluding outliers and Box-Cox transformation for evaluating soil total P content with normal distribution .

小样本三维正态分布整体检验射击精度方法研究

Research of Three-dimension Integer Shoot Precision Test on Few Samples

一般分布和多元正态分布的检验

A New Test on Random Distribution and Multivariate Normal Distribution

讨论了小样本三维同方差正态分布整体检验射击精度问题。

This paper discusses the problem of test with few samples in Shoot Precision by applying 3-dimension Normal distribution with the same of variance in x , y and z direction .

计量资料两组比较正态分布用t检验，非正态分布用Wilcoxon秩和检验，用Bivariate分析患者自身因素与骨密度的相关关系。

Normal data were compared with t test , no normal data were compared with Wilcoxon rank sum test , and relationship between self-factors and BMD were analyzed with Bivariate method .

利用适合性检验方法，对云南省125个测站1961年～2000年40a逐月降水资料是否符合正态分布进行了检验，并对云南降水正态分布做了区划。

We applied the fitting test method to research on the normal distribution characteristics of the precipitation in Yunnan province with 125 stations rainfall data from 1961 to 2000 month by month , and divide the Yunnan 's precipitation normal distribution into three main regions .

目标探测精度正态分布偏峰度检验设计及应用

Skewness and Kurtosis Test of Normal Distribution for Target Detection Precision

用正态分布和T检验原理对高校体育考核成绩及评分标准合理性的分析探讨

Exploration and analysis of reasonableness of testing and scoring by normal distribution and T Testing

另外，本文对检验函数提出了某种直观合理性的准则，并以此准则对正态分布的常用检验函数是否具有直观合理性进行了讨论。

The ordinary test function of the normal distribution are checked here one by one whether it is the intuitive reasonableness according to the fitting criterion .

用正态分布的假设检验和共同度初评其合理性，再用因子分析、主成分分析、相关性系数、线性结构关系模型再次验证其合理性。

Using hypothesis testing of normal distribution and commonalty to check their common rationality , reuse factor analysis , the main components of the analysis , relevance coefficient , line structural relationship model again certify their legitimacy .

服从正态分布资料采用t检验，服从偏态分布资料采用Mann-Whitney非参数检验；P0.05为有统计学差异。

Student t-test was used for normal distribution data and nonparametric statistical methods Mann-Whitney test were used for skewness distribution data .

线-板式电除尘器场强正态分布模式假设及其检验

Assumption and Verification of Normal Distribution Model of Electric Field in Wire-plate ESP

用PC&1500机产生标准正态分布随机数及其检验

Producing the Random Numbers of Standard Normal Distribution on PC-1500 Computer and Their Test

正态概率分布的回归检验

Regression check of normal probability distribution

在综合双侧规格限下研究方差未知的正态分布产品可靠性抽样检验方法。

This paper studies reliability sampling inspection method for items whose quality characteristic has a normal distribution with an unknown variance under double combined specification limits .