Introduction to Off-line Quality Control

3-level A₁ A₂ adjusted agalmatolite allowance design analysis of variance Assume B₁ B₂ Bell Labs C₁ calculated changes columns confidence limits controlling factors cost countermeasures D₁ db db decibel degrees of contribution degrees of freedom denoted design of experiments deterioration determined diagnosis difference dyeing error factors error variance estimate example F₂ factorial effects Figure fraction defective functional variation G₂ improvement interactions Japanese Standards Association layout Linear Graph loss caused loss function main effects manufacturing measuring error method normal distribution obtained on-line quality control optimum condition optimum mid-values Orthogonal array L36 orthogonal polynomial Orthogonal Table outer noise output voltage parameter design power circuit process average process capability product species quality items raw material resistor second level shirt shown in Table signal factor SN ratio specification standard deviation steering angle target value tertiary design tolerance transistors Variance Table varying range welding Wheatstone bridge yens per unit