1. Sampling (statistics)In statistics and survey methodology, sampling is concerned with the selection of a subset of individuals from within a population to estimate characteristics of the whole population. Researchers rarely survey the entire population because the cost of a census is too high. The three main advantages of sampling are that the cost is lower, data collection is faster, and since the data set is smaller it is possible to ensure homogeneity and to improve the accuracy and quality of the data.
Read “Sampling (statistics)” on English Wikipedia
Read “標本調査” on Japanese Wikipedia
Read “Sampling (statistics)” on DBpedia
Read “Sampling (statistics)” on English Wikipedia
Read “標本調査” on Japanese Wikipedia
Read “Sampling (statistics)” on DBpedia
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