Draw out a P chart using the following table.  The number of EVs are the defects.   Mean proportion of EVs (P-bar): (0.2+0.1+0.1+0.2+0.0+0.1+0.2+0.1+0.3+0.0)/10 = 0.13 σ = sqrt(P-bar * (1-P-bar) / n) = sqrt(0.13 * (1-0.13) / 10) = 0.115 Upper Control Limit:  0.13 + 3(0.115) = 0.475 Lower Control Limit: 0.13 – 3(0.115) =  - 0.215

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Draw out a P chart using the following table.  The number of EVs are the defects.  

Mean proportion of EVs (P-bar): (0.2+0.1+0.1+0.2+0.0+0.1+0.2+0.1+0.3+0.0)/10 = 0.13

σ = sqrt(P-bar * (1-P-bar) / n) = sqrt(0.13 * (1-0.13) / 10) = 0.115

Upper Control Limit:  0.13 + 3(0.115) = 0.475

Lower Control Limit: 0.13 – 3(0.115) =  - 0.215

Sample
Size
10
10
|의의
10
10
10
10
10
10
10
10
# of EVs
2
ONPAN
1
1
2
0
1
2
WIN
1
3
0
Proportion
of EVS
0.2
0.1
0.1
0.2
0.0
0.1
0.2
0.1
0.3
0.0
Transcribed Image Text:Sample Size 10 10 |의의 10 10 10 10 10 10 10 10 # of EVs 2 ONPAN 1 1 2 0 1 2 WIN 1 3 0 Proportion of EVS 0.2 0.1 0.1 0.2 0.0 0.1 0.2 0.1 0.3 0.0
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