偏态分布

呈偏态分布的学业成绩&关于《高等代数》教学的一次终结性评价四川高校体育专业学生人格因素与学习成绩关系分析

Skew Distribution of Academic Records & A final evaluation about teaching quality of advanced algebra ; Analysis of the relationship between personality factors and performance of students of Sichuan higher education

由手铅、砷污染元素呈偏态分布，故采用偏态分布中的中位数法作了铅、砷自然背景值及含量的统计。

As lead and arsenic pollution element are skew distribution , statistics of a natural background value and a content of lead and arsenic are worked out using median method of skew distribution .

H反射波幅呈偏态分布，变异大。

The reflex amplitude value showed a biased distribution .

洪旱灾害与鼠疫监测指标数据的分布经正态性检验，P值均远远小于0.05，所以可认为三组数据是偏态分布。

Doing Normality test between drought and flood and the plague monitoring index data present P0.05 , so we could consider that three sets of data are skewness distribution .

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 .

研究发现，精子顶体酶活性呈正偏态分布，65.5%低于正常值（18μIU／106精子）；

It showed that the acrosin activity presented positive bias distribution and 65.5 percent cases were lower than normal value .

并通过计算机模拟方法对PERT网络进行模拟计算。证明了偏态分布规律的正确性。

With the help of computer simulation , the correctness of the nonnormal distribution of the PERT network has been verified .

用行程时间可靠性描述道路网运行的质量的指标，针对其偏态分布特点，利用Johnson、Gauss曲线拟合行程时间的分布。

Travel time reliability is used to describe the travel trait of road network and its distribution can be fitted by Johnson and Gauss curve according to its dissymmetry character .

结果B超所检测的成人甲状腺容积均数为（12.97±0.22）ml，中位数为12.06ml，众数为11.05ml，略呈正偏态分布；

Results The contents of thyroid gland in adults are : the mean is 12.97 ml , the median is 12.06 ml , the mode is 11.05 ml and the distribution of the detected data is a light positive skewness mode ;

HOMA-IR、HOMA-B、ISI呈偏态分布，取自然对数转化为符合正态分布后再进行统计分析。

Homa-IR , HOMA-B , ISI showed skewness distribution , taking natural logarithms converted to meet normal distribution , and did statistical analysis .

结果表明：F2分离群体果萼色级值呈单峰偏态分布，说明茄子果萼色为多基因控制的数量性状；

The results showed that calyx color grade value of F2 is single peak and partial distribution , it is proved that the fruit calyx color is quantitative trait controlled by multiple genes .

APACG、CPACG、POAG及继发性青光眼的年龄分布均呈正态分布，而先天性青光眼呈负性偏态分布。

The age distribution of APACG 、 CPACG 、 POAG and secondary glaucoma were normal distribution , while congential glaucoma were negative skewness distribution .

用Piers-Harris儿童自我意识量表测查小学生的自我意识状况，用学生该学期期中考试的成绩来代表学生的学业成绩。结果：（1）小学生自我意识量表总分总体呈负偏态分布。

We research pupils ' self-awareness condition with Piers-Harris self - awareness scale , and obtain the data of pupils ' academic performance with the mid-term exam achievement . Results : ( 1 ) Pupils self-awareness scale scores shows negatively skewness distribution overall .

基于偏态分布的投资组合优化模型

The Optimal Model for Combinatorial Investments Based on the Partial Distribution

一类单峰偏态分布模型成立的充分条件

Sufficient conditions to a kind of models with single peak and biased distribution

基于偏态分布的投资分析方法

Tbe Investment Analytic Process Based on the Partial Distribution

威布尔分布在正偏态分布资料处理中的应用

An Attempt at Dealing Positive Skewness Distribution Data with Theory of Weibull Distribution

学术注意力的偏态分布是一个重要的特征。

An important characteristic is the skewness of the distribution of scientific attention .

生存质量总得分呈右偏态分布。

The total QOL was a right-skewness distribution .

本文论述机械产品工作到规定寿命时的疲劳强度可靠性设计方法。由于多数金属材料在规定寿命下的疲劳强度呈负偏态分布，故以往把它当作正态分布来处理将偏于不安全。

The reliability design of fatigue strength in designated service life of machine ele -

结论狂犬病潜伏期呈正偏态分布。

In conclusion , the data of rabies incubation period was positively skew distribution .

结果：学生成绩呈右偏态分布。

Results : The distribution of the score was shown as a negatively skewed distribution .

住院总费用呈偏态分布，住院总费用的中位数为4773元。

The total cost of hospitalization were skewed distribution , the median was 4773 yuan .

杉木雄球花及花粉特征值频率分布为偏态分布。

The frequency distribution of characteristic value of the male cones and pollen is abnomal .

第二个事实，是对所有这些出版物的关注的偏态分布。

The second harsh fact is the skewed distribution of attention over all those publications .

班级环境总分在偏度指数上是符合负偏态分布的。

Class environment meets negative skewness distribution .

针对制度运行中存在的参保人群年龄偏态分布；

Existing in the running for the system , age of the insured population skewed distribution ;

创伤后应激障碍检查量表（平时版）得分为29.39±10.85，呈正偏态分布。

The score of PCL-C was 29.39 ± 10.85 , and it showed normal skewed distribution .

偏态分布资料均数两侧标准差计算方法的探讨

A Calculation Method of Standard Deviation for the Two Sides of the Mean of Skew Distribution Data

组合1、组合2和组合4的单株直链淀粉含量和支链淀粉含量符合正向的偏态分布；

The frequency distribution for amylose and amylopectin contents of cross 1,2 and 4 were found positive deviation distribution .