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Because it takes a lot of time and money to examine an entire population , sampling is a very practical technique . If you wished to compute the overall grade point average at your school , it would make sense to select a sample of students who attend the school . The data collected from the sample would be the students ' grade point averages . In presidential elections , opinion poll samples of 1,000 - 2,000 people are taken . The opinion poll is supposed to represent the views of the people in the entire country .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.