Is it always every 5th cell? If so you can use

=SUMPRODUCT(--(MOD(ROW(E7:E300),5)=2),--(E7:E3000),E7:E300)/SUMPRODUCT(--(MOD(ROW(E7:E300),5)=2),--(E7:E3000))

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Regards,

Peo Sjoblom


"Susannah" wrote in message
...
How do I take data from E7,E12,E17,E22,E27 and average only those cells
containing positive data?