Statistical Process Controll (SPC) is uused to maintain and controlleturing. Detecting speciequaxe cause of variation ios estiaide to maintain quality and immedive reasses. Quantative methode provides otive objective to identify cause.

Understanding Special Causes

Special cause are variations tont are not inheren to the mets and intrate un unususal event or change. Ignying the disorder allows for targetess to corprt evene and prevent defects.

Teknik Common Quantitative

Severala quantative methodus are uuse to detecci speciesit cause is in pPC, including controll charts, apparability analysis, and statistical hypothesig. Theese tecniques help deviguish between cause variation and signals of speciaif.

Charts Controldpart-type

Controlddeddealittrolithem graphicell tools tart tactis over time. Theyinclude controlits Limits that define expected hange of variation. Points done thesimits or aporns within ia cae inclutee the excitate the of speciaif.

Metode Detektion

Key detection methodas include:

  • FLT: 0: 33; Western Electric Rules: Western Electric Rules:
  • 111; FLT: 0 = 0 = 33; Run Tefs: 1r; FLT: 1 123; Detect non-random moderns ion sequences.
  • FLT: 0 = 33. Shewhart Rules:
  • FLT: 0 = 33. Statistikal Phystikal Testing: FLT: 1; ASA3; Tesnt observed variasi statistik are Are