For the attached sheet i am attempting to do the following things,
1. I am looking for the yearly average natural gas prices between 1990 and 2013.
When i attempt to do an average ifs command and make the criteria both the year and the source key i get an error.
for example =AVERAGEIFS($B:$B,$2:$2,T7,A72:A95,W6)
Workbook1.xlsx
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