| 单词 | arithmetic mean |
| 释义 | arithmetic meanSEE SYNONYMS FOR arithmetic mean ON THESAURUS.COM noun Statistics.the mean obtained by adding several quantities together and dividing the sum by the number of quantities: the arithmetic mean of 1, 5, 2, and 8 is 4. Also called average. Origin of arithmetic meanFirst recorded in 1790–1800 Words nearby arithmetic meanaristotype, arith., arithmancy, arithmetic, arithmetician, arithmetic mean, arithmetic progression, -arium, Arius, Ariz., Arizona Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for arithmetic meanarithmetic mean nounan average value of a set of integers, terms, or quantities, expressed as their sum divided by their numberthe arithmetic mean of 3, 4, and 8 is 5 Often shortened to: mean Also called: average Compare geometric mean 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 Medical definitions for arithmetic meanarithmetic mean [ ə-rĭth′mĭ-tĭk ] n.The value obtained by calculating the sum of a set of quantities and then dividing that sum by the number of quantities in the set.average The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for arithmetic meanarithmetic mean [ ăr′ĭth-mĕt′ĭk ] The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. For example, if there are three test scores 70, 83, and 90, the arithmetic mean of the scores is their sum (243) divided by the number of scores (3), or 81. See more at mean. Compare average median mode. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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