Why is the standard deviation a useful measure of dispersion?
- It is the same as variance
- It's a measure of average dispersion
- It's the most complex measure of dispersion
- It's unaffected by outliers
The "Standard Deviation" is a useful measure of dispersion because it is a "Measure of average dispersion". It tells us how much, on average, each value in the data set deviates from the mean.
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