标准差计算器
计算数据集的标准差
公式
SD = √(Σ(xi - μ)² / N)
Square root of the average of squared deviations from the mean.
示例
10, 12, 23, 23, 16
SD ≈ 5.36, Mean = 16.8
常见问题
关于 标准差计算器
Calculate standard deviation and variance of a data set.
计算数据集的标准差
Square root of the average of squared deviations from the mean.
SD ≈ 5.36, Mean = 16.8
Calculate standard deviation and variance of a data set.