#### need help coming up with a formula.

```I know just enough in Excel that I know I can get the info I want but
not enough to know how to do it. Any help would be much appreciated. I
am working with 2 columns of data, for example:

Days in Stock____________Cost

2_____________________\$300
21____________________\$400
117___________________\$600
8_____________________\$400
37____________________\$500
78____________________\$500

What I want to calculate is the average cost for 0-10 days in stock
((\$300 + \$400)/2= \$350), the average cost for 11-60 days in stock, and
the average cost for 60+ days in stock.

What sort of formula would best calculate this? TIA.

--
Sterling
------------------------------------------------------------------------
Sterling's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=29554

```
 0
12/11/2005 10:08:02 PM
excel.newusers 15348 articles. 2 followers.

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```One way:

=SUMIF(A:A,"<=10",B:B)/COUNTIF(A:A,"<=10")

In article <Sterling.1zwbym_1134339009.3479@excelforum-nospam.com>,
Sterling <Sterling.1zwbym_1134339009.3479@excelforum-nospam.com>
wrote:

> I know just enough in Excel that I know I can get the info I want but
> not enough to know how to do it. Any help would be much appreciated. I
> am working with 2 columns of data, for example:
>
> Days in Stock____________Cost
>
> 2_____________________\$300
> 21____________________\$400
> 117___________________\$600
> 8_____________________\$400
> 37____________________\$500
> 78____________________\$500
>
> What I want to calculate is the average cost for 0-10 days in stock
> ((\$300 + \$400)/2= \$350), the average cost for 11-60 days in stock, and
> the average cost for 60+ days in stock.
>
> What sort of formula would best calculate this? TIA.
```
 0
jemcgimpsey (6723)
12/11/2005 10:22:48 PM
```=AVERAGE(IF((A1:A20>0)*(A1:A20<=10),B1:B20))

as an array formula, so commit with Ctrl-Shift-Enter.

Just change the 0 and the 10 for other ranges.

--

HTH

RP
(remove nothere from the email address if mailing direct)

"Sterling" <Sterling.1zwbym_1134339009.3479@excelforum-nospam.com> wrote in
message news:Sterling.1zwbym_1134339009.3479@excelforum-nospam.com...
>
> I know just enough in Excel that I know I can get the info I want but
> not enough to know how to do it. Any help would be much appreciated. I
> am working with 2 columns of data, for example:
>
> Days in Stock____________Cost
>
> 2_____________________\$300
> 21____________________\$400
> 117___________________\$600
> 8_____________________\$400
> 37____________________\$500
> 78____________________\$500
>
> What I want to calculate is the average cost for 0-10 days in stock
> ((\$300 + \$400)/2= \$350), the average cost for 11-60 days in stock, and
> the average cost for 60+ days in stock.
>
> What sort of formula would best calculate this? TIA.
>
>
> --
> Sterling
> ------------------------------------------------------------------------
> Sterling's Profile:
http://www.excelforum.com/member.php?action=getinfo&userid=29554
>

```
 0
bob.phillips1 (6510)
12/11/2005 10:23:39 PM
```Try this:
If your data is in Cells A1:B7

C1: From
D1: Thru
E1: AvgCost
C2: 0
D2: 10

C3: 11
D3: 60

C4: 61
D4: 1000

E2: =AVERAGE(IF(--(\$A\$2:\$A\$7>=C2)*(\$A\$2:\$A\$7<=D2),\$B\$2:\$B\$7))
Copy that formula down

Is that what you're looking for?

***********
Regards,
Ron

"Sterling" wrote:

>
> I know just enough in Excel that I know I can get the info I want but
> not enough to know how to do it. Any help would be much appreciated. I
> am working with 2 columns of data, for example:
>
> Days in Stock____________Cost
>
> 2_____________________\$300
> 21____________________\$400
> 117___________________\$600
> 8_____________________\$400
> 37____________________\$500
> 78____________________\$500
>
> What I want to calculate is the average cost for 0-10 days in stock
> ((\$300 + \$400)/2= \$350), the average cost for 11-60 days in stock, and
> the average cost for 60+ days in stock.
>
> What sort of formula would best calculate this? TIA.
>
>
> --
> Sterling
> ------------------------------------------------------------------------
> Sterling's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=29554
>
>
```
 0
12/11/2005 10:36:03 PM
```For
E2: =AVERAGE(IF(--(\$A\$2:\$A\$7>=C2)*(\$A\$2:\$A\$7<=D2),\$B\$2:\$B\$7))

You need to commit that array formula by holding down the [Ctrl] and [Shift]
keys when you press [Enter].

***********
Regards,
Ron

"Ron Coderre" wrote:

> Try this:
> If your data is in Cells A1:B7
>
> C1: From
> D1: Thru
> E1: AvgCost
> C2: 0
> D2: 10
>
> C3: 11
> D3: 60
>
> C4: 61
> D4: 1000
>
> E2: =AVERAGE(IF(--(\$A\$2:\$A\$7>=C2)*(\$A\$2:\$A\$7<=D2),\$B\$2:\$B\$7))
> Copy that formula down
>
> Is that what you're looking for?
>
> ***********
> Regards,
> Ron
>
>
> "Sterling" wrote:
>
> >
> > I know just enough in Excel that I know I can get the info I want but
> > not enough to know how to do it. Any help would be much appreciated. I
> > am working with 2 columns of data, for example:
> >
> > Days in Stock____________Cost
> >
> > 2_____________________\$300
> > 21____________________\$400
> > 117___________________\$600
> > 8_____________________\$400
> > 37____________________\$500
> > 78____________________\$500
> >
> > What I want to calculate is the average cost for 0-10 days in stock
> > ((\$300 + \$400)/2= \$350), the average cost for 11-60 days in stock, and
> > the average cost for 60+ days in stock.
> >
> > What sort of formula would best calculate this? TIA.
> >
> >
> > --
> > Sterling
> > ------------------------------------------------------------------------
> > Sterling's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=29554
> >
> >
```
 0
12/11/2005 10:39:02 PM
```Wow that was fast. And just what I needed. Thank you all for the help.:)

--
Sterling
------------------------------------------------------------------------
Sterling's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=29554

```
 0
12/11/2005 11:41:38 PM
```One more question if I may:

I've used this formula and it works great:

=AVERAGE(IF((A1:A20>0)*(A1:A20<=10),B1:B20))

Now, how do I incorporate a second set of data say in columns C and D.
For example, the first set of data, as I posted, would be for cars and
the second set would be for trucks. Using the above formula I can find
out the average cost for 0-10 day cars and 0-10 day trucks. How would I
set up the formula to come up with 0-10 day -vehicles-?

TIA again.

--
Sterling
------------------------------------------------------------------------
Sterling's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=29554

```
 0
12/12/2005 6:48:14 PM
```One way

=(SUMPRODUCT(--(A1:A20>0),--(A1:A20<=10),B1:B20)+SUMPRODUCT(--(C1:C20>0),--(
C1:C20<=10),D1:D20))/(SUMPRODUCT(--(A1:A20>0),--(A1:A20<=10))+SUMPRODUCT(--(
C1:C20>0),--(C1:C20<=10)))

--

HTH

RP
(remove nothere from the email address if mailing direct)

"Sterling" <Sterling.1zxxda_1134413406.2452@excelforum-nospam.com> wrote in
message news:Sterling.1zxxda_1134413406.2452@excelforum-nospam.com...
>
> One more question if I may:
>
> I've used this formula and it works great:
>
> =AVERAGE(IF((A1:A20>0)*(A1:A20<=10),B1:B20))
>
> Now, how do I incorporate a second set of data say in columns C and D.
> For example, the first set of data, as I posted, would be for cars and
> the second set would be for trucks. Using the above formula I can find
> out the average cost for 0-10 day cars and 0-10 day trucks. How would I
> set up the formula to come up with 0-10 day -vehicles-?
>
> TIA again.
>
>
> --
> Sterling
> ------------------------------------------------------------------------
> Sterling's Profile:
http://www.excelforum.com/member.php?action=getinfo&userid=29554
>

```
 0
bob.phillips1 (6510)
12/12/2005 7:49:42 PM
```Thank you. That formula worked great.

--
Sterling
------------------------------------------------------------------------
Sterling's Profile: http://www.excelforum.com/member.php?action=getinfo&userid=29554

```
 0
12/14/2005 12:08:47 AM

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