Abstract
The article discusses the issues of sampling in the national system, which is being improved based on the requirements of the international program for assessing the quality of education aimed at students’ achievements. Also, within the framework of this system, some important sampling methods, such as random, multistage and cluster sampling, stratification of the sample. It will discuss in detail the opinions, theories put forward by foreign scientists, standards and requirements established by international assessment programs, as well as the experience introduced in Uzbekistan.
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