Economics/Stats
posted by Ben .
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
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.
Respond to this Question
Similar Questions

algebra
a farmer is taking her eggs to market in her cart, but she hits a pothole, whick knocks over all the containers of eggs. Though she herself is unhurt, every egg is broken. So she goes to the insurance agent who asks her how many eggs … 
sociology
How a person respond to this type of statement? 
statistics
If the means for our groups on calories consumed a day were Group A = 2000, Group B = 2500, and Group C = 3000 could we just assume that all of the groups had statistically different means? 
Statistics
Which of the following is an accurate description of Simpson's paradox? 
Statistics
Which of the following is an accurate description of Simpson's paradox? 
Statistics
Which of the following is an accurate description of Simpson's paradox? 
maths
The integers from 1 through 10 (inclusive) are divided into three groups, each containing at least one number. These groups satisfy the additional property that if x is in a group and 2x≤10, then 2x is in the same group. How … 
Child Development
Which of the following groups requires more irregular scheduling than the other three groups? 
Math
If I have 5 different types of trees and want to plant them in groups of three, how many different combinations of groups can I make. I worked this out and came out with 30. Am I right? 
U.S. History
Between 1763 and 1815, most of the population was made up of indentured servants, slaves, women, children, and the working class. Even so, policies were written mainly by white, male landowners. Which answer explains why this was the …