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单词 arithmetic mean
释义 arithmetic mean

= arithmetic average

An average obtained by adding together the individual numbers concerned and dividing the total by their number. For example, the arithmetic mean of 7, 20, 107, and 350 is 484/4 = 121. This value, however, gives no idea of the spread of numbers.

Compare:

geometric mean, median, weighted average.

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更新时间:2025/2/2 13:20:51