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From: Nick Gill on 29 Mar 2010 07:55 I am using the following formula to obtain the number of calls for a period of time: =IF($M346="Outbound Working",SUMPRODUCT((Call!$C:$C=$H346)*(Call!$G:$G="Outbound")*(Call!$D:$D>=$I346)*(Call!$D:$D<=($I346+$F346))),"") This gives me back an answer (2), from this answer I now need to calculate the average the call duration from a call duration field not in the original Sumproduct. the cells/columns used in the formula are: Call!$C:$C=User+Day $H346=User+Day Call!$G:$G=Call Direction Call!$D:$D=Call Start Time $I346=StartTime of Period $F346=EndTime of Period and the column I wish to get the Average Call Duration from is Call!$B:$B |