Table 4 Paired t-test results for key performance Metrics.
From: A data-driven framework for evaluating maintenance crews in fertilizer manufacturing units
Metric | Pre-Implementation Mean | Post-Implementation Mean | t-value | p-value | Statistical Significance |
|---|---|---|---|---|---|
MTTR (hours) | 8.2 | 5.7 | 6.14 | <â0.001 | Significant |
CoM (INR) | âı112,000 | âı91,300 | 4.87 | <â0.001 | Significant |
MTBF (days) | 27.5 | 34.4 | â5.01 | <â0.001 | Significant |
