averageif for a range of values in another column

K

-ken

I need to take the average of colum A for the cells that have either a 1 or a
2 in the corresponding rows of column B. How do I do this?
 
K

Ken Johnson

I need to take the average of colum A for the cells that have either a 1 or a
2 in the corresponding rows of column B. How do I do this?
Click to expand...

One way, for first 100 rows...

=SUMPRODUCT(A1:A100,--((B1:B100=2)+(B1:B100=1)))/SUMPRODUCT(--
((B1:B100=2)+(B1:B100=1)))

Ken Johnson
 
T

T. Valko

Try this array formula** :

=AVERAGE(IF(B1:B20={1,2},A1:A20))

** array formulas need to be entered using the key combination of
CTRL,SHIFT,ENTER (not just ENTER). Hold down both the CTRL key and the SHIFT
key then hit ENTER.
 
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