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random sample
random sample
专业词汇PONS词典中的例句（已经编辑处理）
单语范例（未经PONS编辑处理）
英语
- The best way to avoid a biased or unrepresentative sample is to select a random sample, also known as a probability sample.en.wikipedia.org
- They choose a myopic best response, based upon a random sample of past plays of the game.en.wikipedia.org
- Getting a high response rate (80%) from a small, random sample is considered preferable to a low response rate from a large sample.en.wikipedia.org
- It can produce a weighted mean that has less variability than the arithmetic mean of a simple random sample of the population.en.wikipedia.org
- Natural frequencies refer to frequency information that results from "natural sampling", which preserves base rate information (e.g., number of drunken drivers when taking a random sample of drivers).en.wikipedia.org
- The statistical errors on the other hand are independent, and their sum within the random sample is almost surely not zero.en.wikipedia.org
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