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This document presents a SWOT analysis comparing the strengths and weaknesses of different quality strategies, including JIT, Lean, LSS, Six Sigma, TQM, and others. Tables of data on strengths and weaknesses are provided. Statistical analyses were conducted to determine if there are significant differences in the means for strengths and weaknesses among the different methods. Both analyses found significant differences, indicating at least one method has a mean strength or weakness that is different from the others.

SWOT ANALYSIS
for
Skimming the Best Quality
Strategy
By
Dr. Bikram Jit Singh
(MMDU Mullana)
&
H.S. Sodhi

STRENGTHS
JIT LEAN LSS Six Sigma TQM Others
2.1 4.1 4.1 4.1 1.6 1.9
2.5 3.3 4.3 4.9 1.4 2.9
2.2 2.9 4.4 3.6 1.7 2.9
2.6 3 4 4 1.9 2.4
2.5 3.8 4.2 2.6 1.3 3.8
2.6 3.5 4 3.2 2.2 3.5
3 3.2 4.3 3.9 1.9 1.7
2.3 3.4 4.4 3.4 1.5 2.4
2.8 3.3 4.3 3.8 1.3 2.8
2.5 3.5 4.2 3.9 1.8
2.2 3.5 4.7 4.2 2
2.7 3.6 3.9 4.7 1.8
2.7 2.8 4 3.5 1.4
2.4 3 4.1 4.4 1.8
2.6 2 4.2 4.6 1.8
3.1 3.6 3.9 4.3 1.6
2.7 3.2 4.2 2.5 1.7
2.6 3.1 4.7 4.5 1.7
2.7 3.3 3.9 3.2 3.8
3.2 4.5 3.7 3
2.8 4.7 4.6
3.7 4.6 3.9
3.2 4.3 3.9
3.5 4.5
3.3 4.4
WEAKNESS
JIT LEAN LSS Six Sigma TQM Others
2.9 2.3 1.9 2.8 4 1.7
3.8 4.4 2.3 3.3 4.3 2.4
3.4 2.6 1.8 2.8 3.4 1.6
3 3.1 1.9 2.9 3.2 3.5
3.7 1.9 2 2.9 4.2 4.3
3.6 2 2 3.0 4.6 2.3
3.6 3 1.4 2.9 4.2 2.7
3.7 3.3 1.5 2.9 4.9 3
3.5 2.7 2 2.9 4.3 2.5
3.7 2 1.9 2.9 4.5
3.8 2.2 1.8 3.1 4.4
3.4 2.2 2 3.0 3.9
3.9 2.6 1.9 2.9 4.1
4.3 3.3 1.5 3.1 4.6
3.7 1 1.6 2.7 4.4
3.4 2.2 1.5 3.0 4.6
2.9 2.5 1.7 2.7 3.9
3.1 2.4 1.7 3.0 3.8
3.1 3.6 2 3.2 4.4
1.2 1.8 2.9 4.4
4.4 1.6 3.6
2.9 2.3 3.5
3 1.6 3.2
3.1 1.6
2.9 1.5

One-way ANOVA for Strength (among different Methods)
Method
Null hypothesis All means are equal
Alternative hypothesis At least one mean is different
Significance level α = 0.05
Equal variances were assumed for the analysis.
Factor Information
Factor Levels Values
Factor 6 JIT, LEAN, LSS, Six Sigma, TQM, Others
Analysis of Variance
Source DF Adj SS Adj MS F-Value P-Value
Factor 5 85.44 17.0888 76.18 0.000
Error 115 25.80 0.2243
Total 120 111.24
Model Summary
S R-sq R-sq(adj) R-sq(pred)
0.473616 76.81% 75.80% 74.00%
One-way ANOVA for Weakness (among different Methods)
Method
Null hypothesis All means are equal
Alternative hypothesis At least one mean is different
Significance level α = 0.05
Equal variances were assumed for the analysis.
Factor Information
Factor Levels Values
Factor 6 JIT, LEAN, LSS, Six Sigma, TQM, Others
Analysis of Variance
Source DF Adj SS Adj MS F-Value P-Value
Factor 5 73.46 14.6917 56.60 0.000
Error 115 29.85 0.2596
Total 120 103.31
Model Summary
S R-sq R-sq(adj) R-sq(pred)
0.509465 71.11% 69.85% 67.49%

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