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arithmetic mean单词什么意思_arithmetic mean单词解释 arithmetic mean的反义词arithmetic mean的例句

arithmetic mean

arithmetic mean 基本解释

名词算术中项，算术平均

arithmetic mean 网络解释

1. 算术平均值：x y z)^3=-27, 问x,y,z的算术平均值(arithmetic mean)与-2谁大. (A)80. 一个表格,21-24岁有20人,19-20岁有11人,15-19岁有43人,12-14岁有xx(忘了,不重要)人,问年龄最大的40人的岁数的域(range)和12相比谁大. (A)

2. 算术均数：制作连续型数据频数表一般步骤如下:算术均数(arithmetic mean)简称均数,描述一组数据在数量上的平均水平. 总体均数用μ表示,样本均数用表示,其计算方法如下:

arithmetic mean 英英释义

noun

1. the sum of the values of a random variable divided by the number of values

Synonym: first moment expectation expected value

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arithmetic mean单词什么意思_arithmetic mean单词解释 arithmetic mean的反义词arithmetic mean的例句

arithmetic mean

arithmetic mean 基本解释

arithmetic mean 网络解释

arithmetic mean 英英释义