I need to caluculate an average based on 2 criteria. Using the example
below, if A="brian" (F1) and D=not blank, then average all numbers in D
that have F1 ("brian") in column A. So in the example below, it would
average D1 & D4 (not include D2).

HELP anyone! Thanks.

Database (Sheet1)
A B C D*
1 brian 08/01/05 09/01/05 30
2 chris 08/15/05 09/01/05 15
3 pam
4 brian 08/15/05 09/01/05 15
5 brian 08/31/05

*-Formula to calculate days =IF(M20,(DAYS360(G2,M2))," ")

Totals/Formula (Sheet2)
F G
1 brian NEW FORMULA WILL GO HERE
2 chris
3 pam