I need to find the average of a value based on multiple values in multiple columns.
=AVERAGE(IF(Data!D:D="Smith", If(Data!G:G="N/A", If(Data!G:G="TP", If(Data!H:H="Standard", If(Data!H:H="Consulting", If(Data!H:H="Multi_Consulting", If(Data!H:H="Standard_MP", If(Data!H:H="Multi_MP"...