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It tells you about the size of variation relative to the size of the observation, and it has the advantage that the coefficient of variation is independent of the units of observation. Here is a example to help you see it.

If you have a data set with weights, the value of the standard deviation of a set of weights will be different depending on whether they are measured in grams or lbs or micrograms etc. For example if you look at the weights of kids from birth to 18 years, some countries measure in lbs other in kg and some even use stones. The coefficient of variation, however, will be the same in both cases as it does not depend on the unit of measurement. So you can obtain information about the children's weight variation around the world by using the coefficient of variation to look at all the ratios of standard deviations to mean in each country.

To compute it we look the ratio of the standard deviation to the mean .

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Q: What does a coefficient of variation tell you?
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Related questions

What does the coefficient of the variation tell you?

The CV is a way to summarize the variation of results from the mean.


How do you calculate coefficient of variation?

The coefficient of variation is usually calculated by diving the standard deviation by the mean of a particular set of data. The coefficient of variation is usually expressed as CV.


What is coefficient variation?

it is da same as coefficient of determination


Is it possible for a coefficient of variation to be negative?

Of course it is! If the mean of a set of data is negative, then the coefficient of variation will be negative.


Is it possible for a coefficient of variation to be negative Explain.?

Of course it is! If the mean of a set of data is negative, then the coefficient of variation will be negative.


What does it mean if the mean is doubled but the standard deviation is the same?

The second set of numbers are less variable; the coefficient of variation is halved. The second set of numbers are less variable; the coefficient of variation is halved. The second set of numbers are less variable; the coefficient of variation is halved. The second set of numbers are less variable; the coefficient of variation is halved.


What is the meaning of CVS?

coefficient of variation


Coefficient of variation is a measure of relative variation. True or False?

True


Can you have a negative coefficient in a direct variation?

Yes, you can have a negative coefficient in a direct variation. So if you had y = -7x, that would be a direct variation. If you have y = -x, I do not know, if that is what you mean. Hope it helped.


What is another name for the constant of variation?

One other name is "coefficient of variation".


How do you calculate coefficient of variation in spss?

The coefficient of variation is a method of measuring how spread out the values ​​in a data set are relative to the mean. It is calculated as follows: Coefficient of variation = σ / μ Where: σ = standard deviation of the data set μ = average of the data set If you want to know more about it, you can visit SilverLake Consulting which will help you calculate the coefficient of variation in spss.


Find the coefficient of variation for first 'n' natural nombers?

I have found the coefficient of variation of the first natural numbers and also other functions.