查询词典 standard deviation

A new computational formula of fiducial probability in consideration of sample size and subsample standard deviation is derived from the least squares principle.

利用最小二乘原理，推导出考虑样本容量和子样标准差的求解置信概率的函数，继而确定数据的置信区间，对数据进行筛选。

The statistical analysis procedures included the frequency distribution, percentage, mean, standard deviation, t-test, one- way ANOVA and Pearson's correlation are adopted. Based on related literature and the results of this study, the researcher tried to make some suggestions helpful continuation vocational high school students to learning and for the follow-up research.

本研究采用问卷调查法，针对公私立三年级学生进行问卷调查研究，共回收787份有效问卷，有效问卷百分比为84.9%，资料分析方法采用次数分配、百分比、平均数、标准差、t考验、单因子变异数分析、皮尔逊积差相关及多元回归分析，并参酌文献及研究结论，提出分析主要结论如下

Normal distribution in statistics is based on the probability density function in the form of representation, and set up a continuous random variable X, the probability density function f has the form of Figure 1, where a, b are constants and were known as the average value and standard deviation,π, e, respectively pi and natural constants, claimed that X subject to parameters a, b of the normal distribution.

正态分布在统计学中是以概率密度函数的形式表述的，设连续型随机变量X的概率密度函数f有图1中的形式，其中a、b为常数，分别被称为平均值和标准差，π、e 分别为圆周率和自然常数，则称X服从参数为a，b的正态分布。

As total number of outcomes increases, the sample average of discrete outcomes converges to the probabilistic mean and the sample deviation of discrete outcomes converges to the probabilistic standard divination of continuous random variable.

当出现或试验或取样数量足够的多，则离散随机数值之取样平均值及取样标准差也会收敛为机率平均值及标准差。

The discrete random numbers is generated from a continuous pseudo random variable with mean avg and standard deviation dev, dicretized by step size drv.

离散随机数值取自类真连续随机变数(MatLab pseudo random uniform variable rand or pseudo normal variable ranan)、并以等阶梯离散化。

The relative standard deviation of this method was 2.03%, the limit of detection was 0.006 4 mg/L, the linear correlation coefficient of the calibration curve was larger than 0.999 and the linear range was much wider.

其相对标准偏差：2.03%；检出限：0.064 6 mg/L；线性范围宽，校准曲线的线性相关系数应大于0.999等。

The expressions of mean and standard deviation of interconnect cross-talk noise could be obtained from this model.

利用该模型可以得到互连串扰噪声均值和标准差的解析表达式。

Corresponding compensation algorithm without cumulative error was proposed to improve the rotating motion precision with consideration of both accuracy and efficiency. Experiments were carried out and the results bear out the claims with the standard deviation of residual errors decrease by 47.4%.

在兼顾精度和效率的基础上提出了相应的无累积误差的补偿算法以提高误差补偿精度并进行了实验，使补偿后的残留误差标准差减小了47.4%，表明该方法可有效提高回转关节位置精度。

A least distance method is applied to calculate the deviation between the datum line of the real femur and the standard femur model.

对于待重建的股骨，从二维图像中提取特征点进行匹配，建立一条作为三维重建的骨干基准线，并运用最小距离法计算三维标准股骨模型的基准线的偏差量。

In consideration of cost efficiency and convenience, the dermis and subcutis could be examined simply by the 3D PPG graph derived from the proposed PPG array system. According to the amplitude of 3D PPG waveforms, the situation of skin could be evaluated that the worse skin processes the larger standard deviation of amplitude.

此外，本研究提出一套新颖的光容积阵列系统，在成本效益与方便性的考量下，透过光容积阵列所得之三维光容积讯号图，针对皮肤真皮层与皮下组织进行微循环检测，并藉由不同三维光容积变化图的振幅，可推知越差的肤质，其振幅标准差越大。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。