topic Re: What is the formula for Control Chart Sigma when you do a capability analysis after you perform a presummarize control chart in Discussions https://community.jmp.com/t5/Discussions/What-is-the-formula-for-Control-Chart-Sigma-when-you-do-a/m-p/17852#M16277 <HTML><HEAD></HEAD><BODY><P>I have scanned the JMP Book "Quality and Process Methods" and did not find a definitive answer, but my best estimation is that it is the In-Control Sigma.&nbsp; Here is an excerpt from the book:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="11304_pastedImage_0.png" style="width: 1105px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/2927i8FAB22AD28FBB64D/image-size/medium?v=v2&amp;px=400" role="button" title="11304_pastedImage_0.png" alt="11304_pastedImage_0.png" /></span> </P></BODY></HTML> Wed, 19 Oct 2016 02:20:25 GMT txnelson 2016-10-19T02:20:25Z What is the formula for Control Chart Sigma when you do a capability analysis after you perform a presummarize control chart https://community.jmp.com/t5/Discussions/What-is-the-formula-for-Control-Chart-Sigma-when-you-do-a/m-p/17851#M16276 <HTML><HEAD></HEAD><BODY><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="11303_JMP Capability training.jpg" style="width: 819px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/2926iE7C5F02FD58D9AF3/image-size/medium?v=v2&amp;px=400" role="button" title="11303_JMP Capability training.jpg" alt="11303_JMP Capability training.jpg" /></span></P></BODY></HTML> Wed, 19 Oct 2016 02:20:14 GMT https://community.jmp.com/t5/Discussions/What-is-the-formula-for-Control-Chart-Sigma-when-you-do-a/m-p/17851#M16276 aravindan880 2016-10-19T02:20:14Z Re: What is the formula for Control Chart Sigma when you do a capability analysis after you perform a presummarize control chart https://community.jmp.com/t5/Discussions/What-is-the-formula-for-Control-Chart-Sigma-when-you-do-a/m-p/17852#M16277 <HTML><HEAD></HEAD><BODY><P>I have scanned the JMP Book "Quality and Process Methods" and did not find a definitive answer, but my best estimation is that it is the In-Control Sigma.&nbsp; Here is an excerpt from the book:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="11304_pastedImage_0.png" style="width: 1105px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/2927i8FAB22AD28FBB64D/image-size/medium?v=v2&amp;px=400" role="button" title="11304_pastedImage_0.png" alt="11304_pastedImage_0.png" /></span> </P></BODY></HTML> Wed, 19 Oct 2016 02:20:25 GMT https://community.jmp.com/t5/Discussions/What-is-the-formula-for-Control-Chart-Sigma-when-you-do-a/m-p/17852#M16277 txnelson 2016-10-19T02:20:25Z