I have this formula:
=IFERROR(SUMPRODUCT((Table1[Sent Time]>="06:00")*(Table1[Sent Time]<"07:00"),Table1[Open rate (%)])/COUNTIF(Atlassian[Sent Time],">=06:00"),0)
Which is supposed to add all the values in the [Open rate (%)] column when the time in [Sent Time] is between 6am and 7am then divide by the total matches to give an average.
The COUNTIF part works as it returns the correct number of matches but I can't figure out the rest. I get no error, just a zero value.
Can anyone help?
(I'm using Excel for Mac 2011)
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