| 单词 | standard deviation |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Z score〕A measure of the distance in standard deviations of a sample from the mean.Z记分：样本到平均差的标准误差量中的距离测量美国传统〔statistic〕A numerical value, such as standard deviation or mean, that characterizes the sample or population from which it was derived.统计值：一种能代表它来自的样本或总体特征的数值，如标准偏差或平均值美国传统〔variance〕Statistics The square of the standard deviation.【统计学】 方差：标准偏差数的平方美国传统Our survey of 100 people showed that they spent an average of £52 on books per year, with a standard deviation of £12.我们对 100 个人所做的调查显示，他们每年花在买书上的钱平均为 52 英镑，标准偏差 12 英镑。牛津商务 |
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