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expected frequency

British  

noun

  1. statistics the number of occasions on which an event may be presumed to occur on average in a given number of trials

"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

Example Sentences

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“The committee attempts to weigh the proposal carefully and one of the key criteria is expected frequency of usage,” says Mr. Davis.

From The Wall Street Journal • Nov. 10, 2016