| 单词 | random sample |
| 释义 | random sample (once / 110461 pages) n WORD FAMILY random sample: random samples USAGE EXAMPLESSo for good measure, we also studied a random sample of 1,000 Brexit-related tweets collected by scientists at the University of Sheffield. Economist(Dec 15, 2016) The beauty of a truly random sample is that it will, on average, give great estimates of the population. Salon(Nov 11, 2016) That makes it harder to generate large random samples. Wall Street Journal(Nov 11, 2016) 1n a sample in which every element in the population has an equal chance of being selected Hyper sample, sample distribution, sampling items selected at random from a population and used to test hypotheses about the population 2n a sample grabbed at random Hyper sample a small part of something intended as representative of the whole |
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