This gives me the #value error. Any other thoughts?
I thought the O qualifier was safeguarding against blank cells?
"Vito" wrote:
You don't need an argument for the "O array", try:
=SUMPRODUCT((($O$7:$O$2710)*($M$7:$M$2710="1986"))/COUNTIF($O$7:$O$2710,$O$7:$O$2710&""))
--
Vito
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