example
cell A1 contains formula "=stdev(a2:a7)
cell a2 contains formula "=stdev(a8:a13)
Is it possible to drag the formula down so that cell a3 contains
"=stdev(a14:19) and cell a4 contains "=stdev(a20:a25) and so on for cells a5,
a6, a7 etc. etc.