观察x平方分布的抽样分布。
你可以看到，这里的抽样分布的含义印打印出来。
You can see a sample spread printout here and the meanings printed out here.
要得出这一概率，需要理解X平方分布的抽样分布是什么样的。
To find this probability, you need to understand what the sampling distribution for Chi Square looks like.
抽样分布的标准偏差。统计学上用来说明从样本预测的数据的准确性。
The standard deviation of a sampling distribution. It is the statistic used to make statements about the accuracy of estimates based on sample information.
这就是为什么X平方分布的抽样分布的形状随着df值的不同而变化的原因。
This is why the shape of the Chi Square sampling distribution changes for different df values.
然后，定义了三个与P -范分布有密切关系的抽样分布，并给出了密度函数。
Then three distributions that sampled from the P-norm distribution are defined, and their density functions are given.
最后，我演示了如何模拟不同自由度的x平方分布的抽样分布，而不只是仅说明其来源。
Finally, I demonstrated how to simulate the Chi Square sampling distribution for different degrees of freedom, going beyond simply commenting on its derivation.
为了找到X平方分布统计的抽样分布，只需获取每次实验的结果，并且计算该结果的x平方分布统计。
To find the sampling distribution of the Chi Square statistic, simply take the outcome of each experiment and compute a Chi Square statistic for that result.
抽样分布样本效果大小的平均值可以作为总体效果大小的估计值 ，它与样本容量和抽样样本数目有密切关系 ；
The simulated experimental results showed that significance t testing is highly related to population distribution effect size and sample capacities, yet rarely related to the numbers of rand…
该设置用于查找 X平方分布的抽样分布中包含尾数区域等于alpha 断开值（0.05）的位置（或临界值）。
This setting is used to find the location (or critical value) on the Chi Square sampling distribution that includes a tail area equal to the alpha-cutoff value (0.05).
基于平均方向和合向量长度的抽样分布，研究反映角度过程集中程度的合向量长度控制图和反映角度过程集中位置的平均方向控制图。
Sampling distributions of mean direction and resultant length were used to develop control charts respectively reflecting the central tendencies and positions of the Angle process.
所包含的文件Distribution . php包含了为几个常用的抽样分布(t分布、f分布和X平方分布)生成抽样分布统计信息的方法。
The included file, Distribution.php, contains methods that generate sampling-distribution statistics for several commonly used sampling distributions (Student t, Fisher f, Chi Square).
第三个命令抽取 15%的行，但是不收集分布统计信息，并对索引也应用了抽样，这不同于第一个命令和第二个命令。
The third command samples 15% of all rows, does not collect distribution statistics, and also applies sampling to indexes which the first and second commands didn't.
如果您决定排除虚假设—结果可以按照零分布的随机抽样可变性获得，那么大多数统计师都不会有争议。
Most statisticians would not argue if you decided to reject the null hypothesis that the results can be accounted for in terms of random sampling variability from the null distribution.
在使用MEDIUM模式的显式的UPDATESTATISTICS操作中，可以在resolution子句中使用新的SAMPLINGSIZE选项为列分布抽样指定最小行数。
In explicit UPDATE STATISTICS operations in MEDIUM mode, a new SAMPLING SIZE option in the resolution clause specifies the minimum number of rows to sample for column distributions.
收集索引上的详细抽样统计信息和表的分布统计信息。
Example 28. Collect detailed sampled statistics on indexes as well as distribution statistics for the table.
在MEDIUM模式的显式的UPDATESTATISTICS操作中，resolution子句中新的SAMPLINGSIZE选项可以指定列分布进行抽样的最少行数。
In explicit UPDATE STATISTICS operations in MEDIUM mode, a new SAMPLING SIZE option in the Resolution clause can specify the minimum number of rows to sample for column distributions.
测试来自正态分布的随机抽样。
由于随机抽样的可变性，因此这个X平方分布统计会随实验的不同而不同。
This Chi Square statistic will vary from experiment to experiment due to random sampling variability.
提出了从抽样后的报文中估计一定时间刻度原始流量的大小、估计原始报文长度与协议分布的方法。
It offers the way of estimating the primitive traffic at some time and the length of primitive message aod the way of protocol distribution from the message sampled.
沥青混合料沥青含量抽样检测的样本检测值服从正态分布。
The inspecting value of sample for asphalt content sampling of asphalt mix is normal distribution.
该模型的核心部分是根据观测到的资料，通过蒙特卡洛马尔科夫链随机抽样的方法来估计变点位置的后验概率分布。
Given the observed hydrological data, the model can estimate the posterior probability distribution of each location of change-point by using the Monte Carlo Markov Chain (MCMC) sampling method.
本文给出了制订定时截尾下指数分布产品可靠性抽样检验方案的统计方法。
This paper gives a statistical method of working out reliability sampling inspection plans for items whose failure times are distributed as exponential distributions.
在假设总体服从正态分布的条件下，设计了抽样区间，样本容量和控制限都变化的全变化参数的中位值-极差联合控制图。
Under population follow normal distribution hypothesis, designing combine median-range adaptive control charts with variable sampling interval, variable sample size and variable control limit .
我们利用三阶抽样法，查清了东北地区猞猁种群的分布及数量情况。
The distribution and quantity of Felis lynx population in the northeast have been found out by the three-stage sampling method.
红脂大小蠹寄生的树木和新伐桩有分层抽样的必要及其空间分布格局经拟合为负二项聚集分布。
It is necessity that stratified sampling is used to investigate to the trees and the new stumps, and the spatial distributing pattern of the red turpentine beetles was Negative Binomial Distribution.
目前拥有的两个函数可以完成任意离散分布和任意一元连续分布的抽样。
The two functions we have now can sample from any discrete distribution and one -dimensional continuous distribution.
应用抽样方法和统计分布参数，对皮革纤维状态进行量化表征。
The leather fibre state was quantized signifying by sample method and statistical distribution parameter.
采用过抽样、欠抽样技术来弥补数据类别分布不平衡对模型性能的不利影响。
Sampling methods including over-sampling, under-sampling were taken to make up the shortage caused by the imbalanced data.
本文讨论了贝塔分布共轭于二项分布的决策模型下的二行动线性决策问题的抽样信息期望值的计算公式。
In this paper we discuss the counting formula of the expected value of sampling information for linear decision problem on two actions under the Be - b model.
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