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Ok so basically I have 2 sets of data - one has about 600 data points and the other around 250 and I am trying to find a meaningful way of finding the average or at least interpreting meaningfully. I say that because both have outlier data, one more extreme than the other.

I have calculated the mean and std dev of each (set 1 average is 1.5million and SD of 4.4million) (Set 2 average is 1.4million and SD is 4.3million)

I have no idea what the SD actually tells me and what I can do to get meaningful data out of this?

Stats 101 anyone?

Any sort of sex is fine however so um 'fire away'

I have fired !!

Yeah thanks - I know it’s a spread of data

It's stats so the 'answer' you seek is whatever you want it to be. (I used to work with a Government Certified Statistician). There will be more than one conclusion available. Ask yourself why you have the data.

If that answer is no good to you then I suggest you adjust your thinking towards Anaylsis

You need to have some idea of what you want to end up with, determine what type of data would be most useful as an end result. Once you know that then figuring out how to use the statistical tools to get there is the bit where it's easy for others to help.

It sounds like you want information about the distribution of these values so have you tried simply grouping them?

i have just realised how thick i am, that was just a noise

Edited by:"ding" 27th Jul