Averaging each 30 cells down a column

[dysonsphere]

I would like to have a column that will give the average of successive 30
cell blocks down of another column.

If I select a 30 cell range with the average function and then copy down it
moves the range down only by one cell and not by 30. Is there a way around
this?

Thanks

 

[David Biddulph]

=AVERAGE(OFFSET(A$1,30*(ROW(A1)-1),0,30))

 

[Mike H]

Hi,

You asked and got answers to this yesterday. here's the same answer again.

=AVERAGE(OFFSET(A$1,(ROW(1:1)-1)*30,,30))

Mike

 

[Mike H]

and like yesterday i forgot to mention that this gives the first 30 drag down
a row for the second 30 etc