Posted by **Ben** on Tuesday, February 26, 2008 at 9:59pm.

I have data on unemployment over the past 15 years for three different groups. I would like to show that there is more volatility in several of the groups than there is in the other. What tests should I run?

- Economics/Stats -
**drwls**, Wednesday, February 27, 2008 at 7:11am
Measure the standard deviation and mean of the data for each group, which I assume is presented an monthly intervals. Compute standard deviation divided by the mean. The group with the highest value has the most volatile unemployment, relative to the mean.

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