Average a list with high and low ignored

S

Shu of AZ

If there are two, it should average, if there is one, it should return the
value of that one
 
T

T. Valko

Try this:

=IF(COUNT(D4:D15)=0,"",IF(COUNT(D4:D15)<3,AVERAGE(D4:D15),TRIMMEAN(D4:D15,2/COUNT(D4:D15))))
 
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