standard deviation
复数形式
standard deviations
1
标准差, 标准偏差
a measure of how much the values in a set typically differ from the average
- A low standard deviation indicates that the data points are close to the mean.
低标准差表示数据点接近平均值。
- The standard deviation of test scores showed that most students scored around the average.
测试分数的标准差显示大多数学生的分数在平均值附近。
- In finance, a high standard deviation of returns suggests higher volatility.
在金融领域，回报的高标准差意味着更高的波动性。
- Calculating the standard deviation helps understand the spread of the data set.
计算标准差有助于理解数据集的分布。
- A standard deviation of zero means all the values are identical.
标准差为零意味着所有值都相同。