Electronics Forum: statistic (Page 1 of 20)

Re: SMT - Cpk for Attribute Data

Electronics Forum | Wed Dec 13 20:46:46 EST 2000 | Dave F

I�ll bite ... Why can�t you calculate LSL/USL values from your control charts? We find that LSL/USL values generally are unknown. If you are seeking a text on statistical analysis consider: "Statistical Process Control for Surface Mount Technology"

statistics

Electronics Forum | Mon Jul 30 18:20:41 EDT 2001 | mparker

According to Mark Twain there are 3 kinds of lies in this world: There are 1) Lies, 2) Damn Lies and 3) Statistics. Be sure to validate any numeric claims by the sales people types. They are tricky with their wording to imply greater numbers than w

PCB Market Statistics

Electronics Forum | Tue Jan 13 09:19:03 EST 1998 | Matt Wolfersberger

I am interested in locating PCB market statistics. Does anyone have any suggestions for locating this type of information (i.e. how many of what type of PCB machines were imported into the US last year, etc.)

Re: PCB Market Statistics

Electronics Forum | Sat Jan 24 23:55:26 EST 1998 | KIM CHEOL HO

I am interested in locating PCB market statistics. Does anyone have any suggestions for locating this type of information (i.e. how many of what type of PCB machines were imported into the US last year, etc.)

Re: PCB Market Statistics

Electronics Forum | Mon Jan 19 22:06:22 EST 1998 | Jon Medernach

I am interested in locating PCB market statistics. Does anyone have any suggestions for locating this type of information (i.e. how many of what type of PCB machines were imported into the US last year, etc.) Ceeris in Old Lime, Ct. sells this in

Statistical Prerequisites For Valid Cp / Cpk Calculations

Electronics Forum | Thu Mar 06 09:50:00 EST 2003 | davef

What are the statistical conditions that must be met / checked prior to preforming Cp / Cpk calculations to assure that the calculations are valid?

SPC, PPM and DPMO

Electronics Forum | Fri May 23 15:31:46 EDT 2003 | daanterstegge

Hi ChrisX, DPMO = number of defects per million opportunities. PPM (parts per million) is exactly the same, although the terminology is less clear about what it means. SPC(statistical process control) is a methodology based on statistical technique

statistics

Electronics Forum | Tue Jul 31 01:50:36 EDT 2001 | mugen

ain't tat the damm truth? *grinz*

Determining appropriate FPY goals?

Electronics Forum | Thu Oct 16 09:41:52 EDT 2003 | russ

I believe that this is discussed in such documents as MIL STD 105, or other statistical sampling plan specifications. Russ

Statistical Prerequisites For Valid Cp / Cpk Calculations

Electronics Forum | Thu Mar 06 12:15:00 EST 2003 | msivigny

Hello Dave, First you must make sure your measurement system is calibrated for accuracy, repeatability and reproducibility. We perform a standard GR&R Study on our CmController system on a regular basis to ensure that the system itself is capable to

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