Excluding Exceptional Values when Calculating an Average

Problem:

List1 (column A) contains 10 numbers, two of which (0 & 500) are significantly smaller or greater than the remainder.
If included in an average calculation, these exceptional values would disproportionately influence the result.
We, therefore, need a way of calculating an average that more accurately reflects the general spread of data.

Solution:

Use the TRIMMEAN function as shown in the following formula:
=TRIMMEAN(A2:A11,0.2)

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>

Terms and Conditions of use

The applications/code on this site are distributed as is and without warranties or liability. In no event shall the owner of the copyrights, or the authors of the applications/code be liable for any loss of profit, any problems or any damage resulting from the use or evaluation of the applications/code.

Visit Us On TwitterVisit Us On FacebookVisit Us On Google PlusVisit Us On Youtube