# Describing the difference between 2 types of variance

In my research I'm comparing the variance of a method and I would like to describe the overall variance between individuals and the variance of the replicates of these individuals.

Things like 'comparing the intra-individual variance and between-individual variance' seems to get people confused. I would like to make a short brief notice of this without having to go to much in details about the experiment.

What would be a way of describing this setting more clearly but still within if possible one sentence?

To clarify: I have 10.000 measurements for 60 individuals. For each measurement I could calculate for example the standard deviation as a method of variance. I also have 5 replicate measurements per individual. I could calculate the standard deviation for each of the 10.000 measurement in the replicates. So now I have the variance of the measurement when looking in a population AND I have the variance when looking at replicates. When you would now have to describe these 2 types of variance in a single sentence how would you do that without going into to much details?

• Hello Sander. I'm sorry but I don't really understand what you're exactly asking, I'm voting to close it as not a real question. You can edit the question (even when already closed) and if it gets within the standards, it will be voted to be reopened. – Alenanno Jul 21 '11 at 10:41
• Sorry to hear that Alennano, in what way should I try to make myself more clear? I was hoping that within the English language there would be a better way to define variance within an entity and between entities without having to use to much details. – Sander Jul 21 '11 at 10:57
• I'm not sure, you could try schematising your question. But let's see if others agree with me or not, maybe it's just me. :) – Alenanno Jul 21 '11 at 11:14
• @Sander: perhaps an example for illustration would make your question clearer (for example, a sample of a method)? Is variance as in statistics? If it is, what is it that is measured for each individuals? What is a replicate of an individual? – Peter Mortensen Jul 21 '11 at 11:40
• @Kit: Writers? what would they know about statistics? (or here for that matter). This is a question about technical localized vocabulary. It is a great question for statistics.SE (where they 'own' such terminology) – Mitch Jul 21 '11 at 13:49