To test your null hypothesis, you want to know the probability of obtaining a value this extreme under the assumption that it is due to random sampling variability.
要检验虚假设，需要知道在假设存在随机抽样可变性的情况下获得这么一个极限值的概率。
The different raw yarn sampling and test method effect on Nylon66 twist cord lower strength calculated value are investigated.
研究锦纶66原丝不同取样方法和测试方法对捻织工序帘线强损值计算结果的影响。
The test result shows absorption of air pipe with automatic monitoring sampling is main reasons causing lower value than that of the five days sampling method do.
对大气二氧化硫连续自动采样过程中的导气管吸附、样品的放置时间、 吸收液的放置时间、采样高度等方面进行了试验。
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