Evidence of Special Cause Variation

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P a g e 2 9 7

e v id e n c e of s p e c a l c a u s e v a r ia tio n?

e a c h m a c h in e . D o e s e ith e r o f th e tw o m a c h in e s s h o w –

q u a ıity o f M a n u fa c t u r e d P r o d u c t . C r e a te a p c h a r t fo r

fo llo w in g d a ta in h is c la s s ic E c o n o m ic C b n tr o l

2 . W a lte r S h e w h a r t ([1 9 3 1] 1 9 8 o ) p r e s e n t e d th e

10 2 20 6

9 1 19 S

7 3 17 3

6 1 16 S

3 1 13 2

1 2 n 3

th e h o s p it a l p e r fo r m in g in r e la tio n t o its s t a t e d

p a n d n p c o n t r o l c h a r ts . In t e 印 r e t th e g r a p h s .

g o a 1?

H o w is

c r e a te

w e e k fo r th e la s t 2 o w e e ks . Th e d a t a a r e s h o w n b e lo w .

a v e r a g e o f 2 . o % . ī h e y h a v e s a m p le d 4 o c a s e s e v e ry

w a n t s t o r e d u c e th e ir in fe c t io p r a t e b e lo w th e n a t io n a l

1 . A h o s p it a l is a n a lyz in g n o s o c o m ia l in fe c t io n s a n d

 

 

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th e p r e c e d in g .

2 5 .

w e e 】ss T h e d a t a . îs a v ș ila b le

in th e im p r o v e n ıe n

t h a s s a n ıp le d 2 o p a t

ie n ts p e r w e e k o v e r

p r o b a b ility o f in fe c tio n . T h e d lr e

e to r o f q u a l ity

p r io r t o s u r g e ry

h a v e b e e ıı s h o w n t o r e d u c e th e

c o m p lic a t io n s a n d d«į a . Tfitiotics giv e n o n e

h o u r in u . s . h o ś p lt ä ls , . O i n s

·

in c r ė a s e t h e c h a n c e o f 2 % t o 5 % o f th e 1 6 m ūM et

Į , pan ts w h o

. M d e r g o s u r g e ry

4 p o s ts u r g ic a ł ‘

bi f e o n s h a v e be e n ·

r e p o r te d to a f fe c t s ta b le ?

Ţ p e r fo m n a n c e .

In te rp r e t t b e c h a r t . W a s . Th e s y s te m

in tłle p r o ble m o 7 – o 3 ta b . C r e a te a p c

h a r t t o a n a ly z e

– h o s p it a l . T h e d a t a is a v a ila b le in th e C h a p t e r o 7 . x ls tile ,

n u m b e r th a t r e s u lt e d in t h e d e a th o f th e m o th e r a t M s

S e n ım e lw e iș ([1 8 6 o ] 1 983 ) r e c o r d e d b ir th s a n d th e F ko n ı J a n u a ry

.

8 4 9 .

ţ ļ ir o u g h D e c e m b e r 1 8 4 8 ”

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