Average between two dates

R

Ross

Hi,

I have a data range consisting of:
Date Daily total Cumm Total Target
1/1/06 189 189 157
2/1/06 73 262 314


and I want to have reference cells where I can change the dates and have a
formula in a seperate cell that looks to the data range and retruns an
average value from daily total between these two dates

Thanks,
Ross
 
B

Bob Phillips

Put your reference dates in M1 and M2 and use

=AVERAGE(IF((A1:A20>=M1)*(A1:A20<=M2),B1:B20))

which is an array formula, it should be committed with Ctrl-Shift-Enter, not
just Enter.

--
HTH

Bob Phillips

(replace somewhere in email address with gmail if mailing direct)
 
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