Table 3

Pairwise t-test results for the comparison of SEPs against CPs.

Performance Measure

95% Confidence Interval on Mean Difference

(Sensor -No Sensor)

t-value

p-value


Holding Cost

(-247.5, -180.7)

-12.76

0.000

Backorder Cost

(-94213, -71263)

-14.35

0.000

Disassembly Cost

(-45516, -35950)

-16.95

0.000

Disposal Cost

(-93485, -60931)

-9.44

0.000

Test Cost

(-118577, -108416)

-44.45

0.000

Transportation Cost

(-33331, -30669)

-47.85

0.000

Total Cost

(-370178, -322602)

-28.98

0.000

Total Revenue

(479013, 614665)

16.04

0.000

Profit

(810575, 975883)

21.51

0.000


Ilgin et al. Journal of Remanufacturing 2011 1:7   doi:10.1186/2210-4690-1-7

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