Sigma for

Click the Sigma button on the Specs tab of the results dialog box to display the Sigma for dialog box, which is used to specify the Process sigma by entering a number into the box or adjusting the number with the microscrolls. Target values for sigma can be derived from experience or previous similar processes. For a description of the computations involved in standard quality control charts, refer to Computational Details. See also, the Introductory Overview.

OK
Click OK to accept the change and close this dialog box.  
Cancel
Click Cancel to close this dialog box without accepting any changes.