Hello Tom,

From your post, my understanding on this issue is: you wonder how to get an
average of a set of numbers after throwing out the highest and the lowest
values with one formula. If I'm off base, please feel free to let me know.

If you do not care when min or max values occur more than once, we can use
Andrew and Dan's great ideas:
=(SUM(A1:A6)-MAX(A1:A6)-MIN(A1:A6))/(COUNT(A1:A6)-2)
-or-
=TRIMMEAN(A1:A6,2/COUNT(A1:A6))

If you want to discard all the occurrence of the max and min values, we can
consider the AVERAGEIFS function new to Excel 2007:
=AVERAGEIFS(A1:A6,A1:A6,"<"&MAX(A1:A6),A1:A6,""&M IN(A1:A6))

Please let me know if you have any other concerns, or need anything else.

Regards,
Jialiang Ge , remove 'online.')
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