Average Help

M

Matthew Dyer

I'm racking my brain trying to figure this out but I can't quite hit
it.

I have a column of data. The goal is for the average of the values to
be 5. Obviously that part is easy to get. What I'd like to do is
develop a formula to determine what the value of the next piece of
data needs to be to MAKE the average 5. I've tried count(range)+1 as
the denomiator, and i'm pretty sure thats what it needs to be, but I
can't figure out what the numerator needs to be... help?
 
C

Ch.Wolfram

Hi Matthew!

Try this.

assuming your values are in A1:A10

=5*(count(A1:A10)+1)-sum(A1:A10)


Greets
Chris
 

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