The sample standard deviation is a commonly used estimator of the population scale. However, it is sensitive to outliers and may not remain bounded when a single data point is replaced by an arbitrary ...

For a normal population, can be estimated as IQR/1.34898. A very robust scale estimator is the MAD, the median absolute deviation from the median (Hampel, 1974), which is computed as The MAD has low ...

Scaling your business isn’t a decision you ... After all, your company can’t function if your tools are only robust enough to work with your current size. It’s inefficient to update the ...