| 单词 | frequency distribution |
| 释义 | frequency distributionnoun Statistics.the correspondence of a set of frequencies with the set of categories, intervals, or values into which a population is classified. Origin of frequency distributionFirst recorded in 1890–95 Words nearby frequency distributionFreon, freq., frequency, frequency band, frequency curve, frequency distribution, frequency-division multiplex, frequency modulation, frequency polygon, frequency response, frequent Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for frequency distributionfrequency distribution nounstatistics the function of the distribution of a sample corresponding to the probability density function of the underlying population and tending to it as the sample size increases, the set of relative frequencies of sample points falling within given intervals of the range of the random variable Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for frequency distributionfrequency distribution A range of conditions, often represented in graph form, in which each item is paired with the number of observed events or measurements meeting those conditions. For example, a list of price ranges paired with the number of cars available in each price range is a frequency distribution. Frequency distributions are commonly used in statistical analysis. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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