An average for numbers that fall within a criteria

bzax33

New Member
Joined
Jul 19, 2011
Messages
9
I need to figure out a way to get an average for the numbers in column A, but ONLY those numbers in column A that have the number "1" in column B.
example:
Column A Column B
3 5
6 1
4 1

The average would be "5", because the numbers 6 and 4 have "1" next to them in column B.
Thanks!
 

Excel Facts

Why does 9 mean SUM in SUBTOTAL?
It is because Sum is the 9th alphabetically in Average, Count, CountA, Max, Min, Product, StDev.S, StDev.P, Sum, VAR.S, VAR.P.

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