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A question for you operations experts.

Posted on 09/16/2009 11:08:44 AM PDT by LouAvul

When you're developing the X double bar and R charts, and your samples go up to, say, 15, where do you get your values for the A2, D3 and D4 values?


TOPICS: Education
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1 posted on 09/16/2009 11:08:44 AM PDT by LouAvul
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To: LouAvul

Thailand?


2 posted on 09/16/2009 11:09:28 AM PDT by Cletus.D.Yokel (FreepMail me if you want on the Bourbon ping list!)
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To: LouAvul

BTW, it’s for an operations and supply management class.


3 posted on 09/16/2009 11:09:28 AM PDT by LouAvul
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To: LouAvul

A2, D3, D4? I think you just sank my battleship.

}:-)4


4 posted on 09/16/2009 11:09:43 AM PDT by Moose4 (Ted Kennedy: "If they bring up Camelot, we get to bring up the lady in the lake.")
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To: LouAvul

Did you Google?


5 posted on 09/16/2009 11:10:14 AM PDT by Genoa
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To: Moose4

Looks like your handle gets the “moose” award. Is your sister okay?


6 posted on 09/16/2009 11:10:35 AM PDT by Cletus.D.Yokel (FreepMail me if you want on the Bourbon ping list!)
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To: Cletus.D.Yokel
Thailand?

exactly.

7 posted on 09/16/2009 11:10:54 AM PDT by the invisib1e hand (hang the Czars.)
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To: the invisib1e hand

Thanks! Can you keep me up-to-date on this thread? I’m going to go take a shower.


8 posted on 09/16/2009 11:11:42 AM PDT by Cletus.D.Yokel (FreepMail me if you want on the Bourbon ping list!)
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To: LouAvul

I like Cheese.


9 posted on 09/16/2009 11:13:25 AM PDT by US Navy Vet
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To: LouAvul

You must make sure you are logged in and that your beeber is set to stune before you can get the values for A2 D3 and D4.


10 posted on 09/16/2009 11:14:39 AM PDT by Pajamajan (Pray for our nation. Thank the Lord for everything you have. Ask His forgiveness. Don't wait.)
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To: LouAvul
Let me Google that for you.
11 posted on 09/16/2009 11:14:41 AM PDT by RetroSexual
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To: LouAvul

Paging Mr. Bunny. Paging Mr. Bunny with Pancake on Head.


12 posted on 09/16/2009 11:15:02 AM PDT by 50sDad (The Left cannot understand life is not in a test tube. Raise taxes, & jobs go away.)
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To: martin_fierro
Oh goody. It's question time YET AGAIN!


13 posted on 09/16/2009 11:16:26 AM PDT by Constitution Day
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To: LouAvul

Lots of related goodies here:
http://www.isixsigma.com/


14 posted on 09/16/2009 11:16:42 AM PDT by elpinta (Change: check. Hope: not so much.)
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To: LouAvul

Those should be constants. For example, they could be number of processes performed, number of observations, etc.


15 posted on 09/16/2009 11:17:03 AM PDT by mnehring
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To: LouAvul
It's a fairly straight-forward solution.

You need to take the R2 value and combine it with the D2 value.

This should help you with half of your equation.

Finally, the combination of the C3 value with the PO value will give you your final result.

16 posted on 09/16/2009 11:17:56 AM PDT by politicket (1 1/2 million attended Obama's coronation - only 14 missed work!)
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To: LouAvul
Same place, but your denominator is now 15.

Well, no, I don't actually understand the question, but HERE is something on the topic. Best of luck...

:-(

17 posted on 09/16/2009 11:19:01 AM PDT by Billthedrill
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To: RetroSexual
I got it. Thanx my man. I googled all around it I guess.

Have a good one.

18 posted on 09/16/2009 11:19:25 AM PDT by LouAvul
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To: politicket

the problem is the C3 and PO values are simply translators for the R2 and D2 values. You need to have a constant to trigger the R2 and D2 values to work with the C3 and PO values. Generally, this is the OB1 calculation.


19 posted on 09/16/2009 11:19:34 AM PDT by mnehring
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To: Constitution Day; martin_fierro
Nice views
20 posted on 09/16/2009 11:20:08 AM PDT by Tijeras_Slim
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To: mnehring

Ah...my mistake. It’s been a number of years since I attended that class.


21 posted on 09/16/2009 11:20:54 AM PDT by politicket (1 1/2 million attended Obama's coronation - only 14 missed work!)
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To: politicket

The problem is that old calculation has been corrupted. The original mathematician who came up with that went senile and inputted a Jar Jar algorithm into the calculation that broke the entire formula.


22 posted on 09/16/2009 11:23:05 AM PDT by mnehring
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To: LouAvul
I just did this but I don't have my textbook in front of me. This link seems to be explanatory.
http://www.cheresources.com/spczz.shtml
23 posted on 09/16/2009 11:23:40 AM PDT by GoforBroke
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To: LouAvul
I get my A2 value from this XX Bar:

L

24 posted on 09/16/2009 11:23:59 AM PDT by Lurker (The avalanche has begun. The pebbles no longer have a vote.)
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To: Tijeras_Slim

Heh. Great photos there!


25 posted on 09/16/2009 11:25:34 AM PDT by Constitution Day
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To: LouAvul
Maybe here? I don't understand a word of it, and if I read to many theta's a thtart to lithp, but it looks promithing.
26 posted on 09/16/2009 11:26:21 AM PDT by mmichaels1970
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To: LouAvul

This was a good source if you’re going to use excel.
http://www.qualitydigest.com/magazine/1997/oct/article/using-excel-data-analysis.html


27 posted on 09/16/2009 11:27:30 AM PDT by GoforBroke
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To: LouAvul
When you're developing the X double bar and R charts, and your samples go up to, say, 15, where do you get your values for the A2, D3 and D4 values?

Walmart!

28 posted on 09/16/2009 11:28:03 AM PDT by DustyMoment (FloriDUH - proud inventors of pregnant/hanging chads and judicide!!)
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To: LouAvul

I’m take a similar class right now too!


29 posted on 09/16/2009 11:29:11 AM PDT by GoforBroke
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To: mnehring

You owe me a new keyboard!


30 posted on 09/16/2009 11:30:35 AM PDT by Redleg Duke ("Don't fire unless fired upon, but it they mean to have a war, let it begin here." J Parker, 1775)
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To: LouAvul

So THAT’S what kept me up all night!


31 posted on 09/16/2009 11:34:04 AM PDT by Oldpuppymax (AGENDA OF THE LEFT EXPOSED)
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To: LouAvul

My cat’s name is Mittens.


32 posted on 09/16/2009 11:36:11 AM PDT by loungitude (The truth hurts.)
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To: Moose4

That’s one crooked battleship!


33 posted on 09/16/2009 11:41:36 AM PDT by Tennessee_Bob (A1C 6.2)
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To: RetroSexual

That was pretty cool lol. Gotta bookmark that.


34 posted on 09/16/2009 11:42:31 AM PDT by Domandred (Fdisk, format, and reinstall the entire .gov system. I am Jim Thompson.)
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To: Cletus.D.Yokel

She’s fine. She likes cheese.

}:-)4


35 posted on 09/16/2009 11:43:51 AM PDT by Moose4 (Ted Kennedy: "If they bring up Camelot, we get to bring up the lady in the lake.")
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To: 50sDad

I’m tired of that bunny. Can we get a Bunny with a pancake on her head??


36 posted on 09/16/2009 11:52:55 AM PDT by Tennessee_Bob (A1C 6.2)
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To: Tijeras_Slim

I’m scared of that link.


37 posted on 09/16/2009 11:53:49 AM PDT by Tennessee_Bob (A1C 6.2)
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To: Moose4

And I seriesly thought this thread was dead.


38 posted on 09/16/2009 11:54:43 AM PDT by Cletus.D.Yokel (FreepMail me if you want on the Bourbon ping list!)
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To: Tennessee_Bob

It’s a ranch near Aspen CO. Very pretty country. But I know what you meant. :)


39 posted on 09/16/2009 11:57:02 AM PDT by Tijeras_Slim
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To: 50sDad

40 posted on 09/16/2009 12:02:02 PM PDT by Arrowhead1952 (Jimmy Carter - now the second worst POTUS ever. BHO [the LIAR] has #1 spot in his sights.)
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To: RetroSexual

People here at the help desk are dying over that link. I hope you’re happy. We’re going to start sending shortcuts to that to all our callers.


41 posted on 09/16/2009 12:23:48 PM PDT by Tennessee_Bob (A1C 6.2)
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To: LouAvul

You should probably use an X-bar, s chart with a sample size of 15. Nonetheless, these values are available in the table section Juran’s Quality Control Handbook or any number of other good references.


42 posted on 09/16/2009 12:38:28 PM PDT by Lucky Dog
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To: LouAvul

42


43 posted on 09/16/2009 12:40:06 PM PDT by Danae (- Conservative does not equal Republican. Conservative does not compromise.)
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To: LouAvul; Tijeras_Slim; Constitution Day

44 posted on 09/16/2009 1:04:41 PM PDT by martin_fierro (< |:)~)
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To: LouAvul
Got me. I'm still trying to extract the spare ribs.


45 posted on 09/16/2009 1:09:03 PM PDT by TADSLOS (Proud FR Mobster)
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