【正文】
數(shù)據(jù)如下表: A v e r a g e : 1 6 2 . 3 5 5S t D e v : 9 . 3 1 3 3 4N : 2 2A n d e r s o n D a r l i n g N o r m a l i t y T e s tA S q u a r e d : 0 . 1 4 2P V a l u e : 0 . 9 6 61 4 4 1 5 4 1 6 4 1 7 4 1 8 4. 0 0 1. 0 1. 0 5. 2 0. 5 0. 8 0. 9 5. 9 9. 9 9 9Probability6 月 1 日N o r m a l P r o b a b i l i t y P l o t檢驗(yàn) 6月 1日數(shù)據(jù)是否正態(tài) P值大于 ,可以認(rèn)為服從正態(tài)分布 0 . 9 5S u b g r o u p 1 . 0 0 1 . 0 51 5 51 6 01 6 51 7 0Sample MeanM e a n = 1 6 2 . 4U C L = 1 6 8 . 4L C L = 1 5 6 . 351 01 5Sample StDevS = 9 . 3 1 3U C L = 1 3 . 6 5L C L = 4 . 9 7 7X b a r / S C h a r t f o r 6 月 1 日開始做成控制圖表 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 1 8 0 1 9 0 2 0 0L S L U S LT a r g e tP r o c e s s C a p a b i l i t y A n a l y s i s f o r 6 月 1 日U S LT a r g e tL S LM e a nS a m p l e NS t D e v ( W i t h i n )S t D e v ( O v e r a l l )C pC P UC P LC p kC p mP pP P UP P LP p kP P M L S LP P M U S LP P M T o t a lP P M L S LP P M U S LP P M T o t a lP P M L S LP P M U S LP P M T o t a l1 9 6 . 0 0 01 6 2 . 0 0 01 2 8 . 0 0 01 6 2 . 3 5 52 29 . 4 2 4 8 39 . 4 2 4 8 31 . 2 01 . 1 91 . 2 21 . 1 91 . 2 21 . 2 01 . 1 91 . 2 21 . 1 9 0 . 0 0 0 . 0 0 0 . 0 01 3 3 . 6 01 7 8 . 6 33 1 2 . 2 31 3 3 . 6 01 7 8 . 6 33 1 2 . 2 3P r o c e s s D a t aP o t e n t i a l ( W i t h i n ) C a p a b i l i t yO v e r a l l C a p a b i l i t y O b s e r v e d P e r f o r m a n c e E x p . W i t h i n P e r f o r m a n c e E x p . O v e r a l l P e r f o r m a n c eW i t h i nO v e r a l l計(jì)算當(dāng)日的 CPK 2 0 01 9 01 8 01 7 01 6 01 5 01 4 01 3 0T a r g e t U S LL S LP r o c e s s C a p a b i l i t y A n a l y s i s f o r 6 勻誔P M T o t a lP P M U S LP P M L S LP P M T o t a lP P M U S LP P M L S LP P M T o t a lP P M U S LP P M L S LP p kP P LP P UP pC p mC