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Sumif with an average

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    Sumif with an average

    Hi all,

    I'm trying to compare an average of three cells to 0 and if that average is greater than 0 i want to sum another column. So I can do this for one cell rather than an average of three cells with this formula:

    =SUMIF(N9:N110,">0",$I9:$I110)

    So for the rows 9 to 110 if N is positive I include the corresponding value in column I. That's straightforward enough. The trouble I'm having is when I try to switch the N9:N110 to average(L9:N110) in order to check the average of L9,M9 and N9 and compare that to 0.

    Any help would be appreciated.

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    Re: Sumif with an average

    Just use an IF statement

    =IF(AVERAGE($N9:$N110)>0, SUM($I9:$I110), "")

    Not sure where L9 and M9 come into this equation???
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    Re: Sumif with an average

    So Its not the average of n9 to n110 that i want, its the average of the rows, so is l9, m9 and n9 average greater than zero iu want to use i9 in my sum.

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    Re: Sumif with an average

    Maybe a worksheet showing what you want would help (Go Advanced>Manage Attachments)

    I think
    =IF(AVERAGE($L9, $N9, $M9)>0, SUM($I9:$I110), "")

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    Re: Sumif with an average

    So that suggestion says if the average of line 9 is greater than 0 the sum all of column I. What I'm looking for is slightly different. Its if the avergae of row 9 is greater than 0 then include i9 in the sum, if it isn't then don't include it in the sum, and repeat for each row.

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    Re: Sumif with an average

    Ahhhh, is there always 3 numbers? (i.e. the cells in L,N, M will have values?)

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    Re: Sumif with an average

    Try this ARRAYED Formula

    =SUM(IF((L9:L110+M9:M110+N9:N110)/3 >0, I9:I110))

    ...confirmed by pressing CTRL+SHIFT+ENTER to activate the array, not just ENTER. You will know the array is active when you see curly braces { } appear around your formula. If you do not CTRL+SHIFT+ENTER you will get an error or a clearly incorrect answer. Press F2 on that cell and try again.

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    Re: Sumif with an average

    this was helpful and worked. It seems like every time I don't know how to do something an array is the solution.I just never know how to use them

    Thanks

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    Re: Sumif with an average

    Glad it worked. There might be a non-array solution out there but it didn't pop into my head.
    Thanks for the rep.

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    Re: Sumif with an average

    Quote Originally Posted by ChemistB View Post
    There might be a non-array solution out there but it didn't pop into my head.
    Maybe this...

    =SUMPRODUCT(--(L9:L110+M9:M110+N9:N110/3>0),I9:I110)
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    Re: Sumif with an average

    That would be the one.

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    Re: Sumif with an average

    What does the double dash do?

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    Re: Sumif with an average

    Changes TRUE/FALSE Values to 1's and 0's.

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