First and foremost I'm no mathematician, it may be a case of over complication.

What I'm trying to do is that I have 2 sets of data, I want to calculate one average for both sets but I want the first set to have more 'influence' over the average than the second.

I.e I want an outlier in set A to swing the average more than if that outlier was in set B (If that makes any sense).

I would assume I'd need a value to deem how much of an effect each set would have.

I don't expect a specific answer but if someone could get me started/point me in the right direction I'd be grateful.


  • $\begingroup$ You could give each number in the first set a weight of 2, or 17, or anything else bigger than 1. $\endgroup$ – Gerry Myerson Feb 2 at 7:35
  • $\begingroup$ @GerryMyerson That could work but it would seem a bit 'messy'. I'll try it out thanks. $\endgroup$ – Faraday Feb 3 at 4:42

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