把这一标准差和两次的平均值相比较，我们就能发现他们很相像，（因为我们知道重力加速度是个常数）。
Comparing the ratio of standard deviation to the average for these two distributions shows that they are similar.
在赤道这一标准差是0.5%，这就是说在30天间隔纬向平均反射率增加1%，在95%水平时统计上是显著的。
This means that a zonal mean albedo increase of 1% for a 30-day interval is statistically significant at the 95% level.
如果实验结果侥幸出现的概率在统计上高于五个标准差，或者小于百万分之一，物理学家就可以断言这是一项发现。
Physicists can claim a discovery if the chances of their result being a fluke of statistics are greater than five standard deviations, or less than one in a few million.
它是帕雷托图表的基础，是一个用在全面质量控制和六标准差中的关键工具。
It is the basis for the Pareto diagram, one of the key tools used in total quality control and Six Sigma.
你根本无法想出一个数字，来描述这个偏离25倍标准差的事件，对我们普通人来说，这是个难以想象的天文数字。
You can't come up with a number to describe the twenty-five standard deviation event; it's just too large a number, I think, for any of us to really comprehend.
落在一个标准偏差之外的概率是1/3,两个标准差之外的概率是1/20,三个标准差之外是百分之一
One standard deviation happens one draw out of three, two standard deviations one out of twenty, three standard deviations is one out of one hundred.
分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
最后，在不同负荷的情形下，负荷与其对应电价的均值、标准差之间存在着一种近似的线性关系。
At last, the relations of load with average and root mean square of corresponding LMPs are approximately linearity in different load situations.
其次，相比一个标准差的美国幸福感（即0.635），这对大多数变量系数看起来很小。
Second, when compared to the size of one standard deviation of Americans' reported happiness (which is 0.635), the coefficients on most of these variables look small.
是将原始分数转换后的分数，可说明原始分数距离算数平均数一个标准差单位是多少。
A transformed score in where the original score is expressed as the distance from the mean in standard deviation units.
对于从属随机变量统计特征的确定，本文介绍了一种精确高效的确定其均值和标准差的方法。
A new method which can efficiently and accurately calculate the mean and standard deviation of a dependent random variable is proposed.
雌二醇水平每增加一个标准差，这种疾病的危险性就增长25%。
For each standard deviation increase in estradiol level, the risk for the disease went up by 25 percent.
给出了一种混凝土验收批强度标准差的无偏估计方法。
A new method for unbiased estimating standard deviation of strength of concrete of inspected lot is proposed in this paper.
我对这资料做的第一件事是计算十二个作业中的每一个所花费的时间的平均值、最小值、极大值和标准差。
The first thing I did with this data was to calculate the average, minimum, maximum, and standard deviation of hours spent on each of twelve assignments.
提供了一个在数学期望值不相等条件下进行概率分析的新方法，该方法采用所谓标准差系数作为分析指标。
Using the standard deviation coefficient as analysis target, the author provides a new probability analysis method, in case the mathematical expectations are different.
若是正态分布，则进一步观察标准差。
If it is a normal distribution, standard deviation (s) is observed.
首先提出了一种基于标准差的梯度算子，将图像中潜在的边缘区域很好地区分出来；
Firstly, a gradient operator based on local standard deviation is performed and potential edge regions are well separated.
利用对数疲劳寿命标准差的经验取值，得出了焊接接头对应一定置信度下不同安全概率的低温疲劳寿命表达式。
By means of the experiential value of logarithmic fatigue life standard error, the safety fatigue life of welded joints was obtained at different safety probability with certain confidence level.
目的探讨以CL IA'88允许误差的三分之一推导出的标准差和实际标准差在生化室内质控的应用价值。
Objective To explore actual value on two methods between standard deviation by calculating one third of CLIA 88 permitted error and actual standard deviation in internal quality control.
分析和实际模拟表明，在以正态分布进行抽样的前提下，合理选取抽样样本平均值和标准差，可使抽样效率进一步提高。
Theorical analysis and practical simulation indicate that if the samples are of normal distribution, the modelling efficiency can be increased further by using sensible parameters.
一组数据的标准差是这组数据和这组数据的平均值之间的平均距离。
The standard deviation of a set of numbers is the average distance the set of numbers is from the mean of the set of numbers.
一组数据的标准差是这组数据和这组数据的平均值之间的平均距离。
The standard deviation of a set of numbers is the average distance the set of numbers is from the mean of the set of numbers.
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