mdx query: avg function

The following query illustrates a simple example on how to use avg function in mdx.

WITH MEMBER Measures.x as
avg(
    descendants
    (
        [Date].[Calendar].currentmember
        ,
        [Date].[Calendar].[Calendar Quarter]
    )
    ,
    [Measures].[Reseller Sales Amount]
)
select
[Date].[Calendar].[Calendar Semester].&[2002]&[1]
.children
on 1 ,
measures.x on 0
from
[Adventure Works]

HTH..

ZULFIQAR SYED