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Help With Excel Please.

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Name: Ray_Chill
Date: February 24, 2005 at 09:37:53 Pacific
OS: XP Pro
CPU/Ram: 1 Gig
Comment:

I'm trying to figure out the formula for an average of some numbers without the low and high numbers to be factored in the average.

ie. I have 7 numbers. I want the high and low taken out, and have the average of the middle 5 taken.

Can someone supply me with a formula to do this if it's possible? I'm pretty much a formula noob, so, any help would be great.



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Response Number 1
Name: wizard-fred
Date: February 24, 2005 at 12:12:39 Pacific
Reply:

Find the sum of the range
Find the largest
Find the smallest
Find the count
Subtract the largest and the smallest from the sum
Divide the above result by count - 2

(@sum(range)-(@max(range)+@min(range)))/(@count(range)-2)


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Response Number 2
Name: Ray_Chill
Date: February 24, 2005 at 13:59:11 Pacific
Reply:

Thanks for your help, but I'm still, unfortunately, confused.

I don't understand why you have "@" symbols inserted in there. When I insert my "range" (E3:K3) into your formula, I'm not getting the desired result. This is what I have so far, and I think I'm confusing myself even more.

=SUM(E3:K3)-MAX(E3:K3)+MIN(E3:K3)/COUNT(E3:K3)

For some reason, I'm not sure how that "-2" fits in properly.

Any further assistance is appreciated.


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Response Number 3
Name: wizard-fred
Date: February 24, 2005 at 15:22:35 Pacific
Reply:

Sorry about the "@", I don't have the EXCEL on this machine, that's for Lotus 123.

You subtract 2 to exclude the high and the low. If you always have 7 items then replace count(e3.k3)-2 with 5


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