sumproduct combine with average formula

[xtrmhyper]

hello to all excel expert
i want to all "D" column and get the average

criteria is in column A must be ="X"
B >=10/01/05 and <=10/31/05
C <>0

A B C D


X 10/01/05 0 1
X 10/01/05 0.012 6
X 10/01/05 0.012 2
o 10/01/05 0.012 1
X 11/01/05 0.012 1

 

[Bob Phillips]

Try this formula

=AVERAGE(IF((A1:A5="X")*(B1:B5>=--"2005-10-01")*(B1:B5<=--"2005-10-31")*(C1:
C5<>0),D15))

or even

=AVERAGE(IF((A1:A5="X")*(MONTH(B1:B5)=10)*(C1:C5<>0),D15))

which are array formulae, so commit with Ctrl-Shift-Enter

--

HTH

RP
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