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在工程质量检查中,经常会遇到采用什么方法进行抽样的问题。譬如现在有100块空心楼板,要从中间抽查五块,以便判断这100块板的质量如何。要使这5块板能有最大的代表性,正确的抽查方法就十分重要。首先可以肯定,这100块的质量绝对不会是一样的,每块板的质量总是有差别的,一部分可能好些,一部分可能差些,甚至有一部分可能会是不合格品。所以,不同的抽样方
In the project quality inspection, it often comes up to the question of what method to use for sampling. For example, if there are 100 hollow floors, five samples are taken from the middle to determine the quality of the 100 plates. To make the five boards have the greatest representativeness, the correct sampling method is very important. First of all, we can be sure that the quality of the 100 blocks will definitely not be the same. The quality of each board will always be different. Some may be better, some may be worse, and even some may be unqualified. So, different sampling parties