https://knowledgebase.winspc.com en-us https://knowledgebase.winspc.com ActiveKB NX support@winspc.com Sat, 06 Jun 2026 02:20:48 UTC 20 https://knowledgebase.winspc.com/questions/194/ If an attribute is configured to have calculated control limits, WinSPC will determine an intial set of control limits to use prior to the first time the limits are recalculated based on the data ... Keith Bates Fri, 13 Sep 2013 10:38:18 GMT https://knowledgebase.winspc.com/questions/247/ In the WinSPC Equation Builder, the '.Mean' statistic refers to the plotted mean value of a specific subgroup (in other words, it is the mean of the samples associated with the subgroup).The '.Avg ... Keith Bates Tue, 18 Jun 2013 12:41:02 GMT https://knowledgebase.winspc.com/questions/198/ A c-chart displays the total number of nonconformities for each lot. This chart is available in WinSPC to an attribute that is configured with an 'Attribute Counts' of 'Defects' (also referred to ... Keith Bates Wed, 10 Nov 2010 11:07:25 GMT https://knowledgebase.winspc.com/questions/197/ A u-chart displays the number of nonconformities per unit produced. This chart is available in WinSPC to an attribute that is configured with an 'Attribute Counts' of 'Defects' (also referred to ... Keith Bates Wed, 10 Nov 2010 10:48:09 GMT https://knowledgebase.winspc.com/questions/196/ An np-chart displays the number of nonconforming (defective) units. This chart is available in WinSPC to an attribute that is configured with an 'Attribute Counts' of 'Defective Units' and an 'In ... Keith Bates Wed, 10 Nov 2010 10:25:27 GMT https://knowledgebase.winspc.com/questions/195/ A p-chart displays the percentage of nonconforming (defective) units. This chart is available in WinSPC to an attribute that is configured with an 'Attribute Counts' of 'Defective Units'. An att ... Keith Bates Wed, 10 Nov 2010 10:24:52 GMT