moving average

noun Statistics.
  1. one of a succession of averages of data from a time series, where each average is calculated by successively shifting the interval by the same period of time.

Origin of moving average

First recorded in 1910–15
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British Dictionary definitions for moving average

moving average

noun
  1. statistics (of a sequence of values) a derived sequence of the averages of successive subsequences of a given number of members, often used in time series to even out short-term fluctuations and make a trend clearerthe 3-term moving average of 4, 6, 8, 7, 9, 8 is 6, 7, 8
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