Try the following formula that need to be confirmed with
CONTROL+SHIFT+ENTER, not just ENTER...
=AVERAGE(IF(N9:N154<=79,N9:N154))
=AVERAGE(IF((N9:N154>=80)*(N9:N154<=120),N9:N154))
=AVERAGE(IF(N9:N154>=121,N9:N154))
Hope this helps!
In article <[email protected]>,
"opal23k" <[email protected]> wrote:
> I have a column of test scores - N9:N154.
>
> Scores can be grouped into low (<=79), average (80<=x>=120), and high
> (>=121).
>
> I want to have one formula for each group that will find the average score
> for that group.
>
> The logic is something like:
> Low group: find the average of all the scores that are less than or equal to
> 79 within N9:N154.
> Middle group: find the average of all the scores between 80 and 120 within
> N9:N154.
> High group: find the average of all the scores higher than or equal to 121
> within N9:N154.
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