Computer · Construction Management
A project manager utilizes a statistical control chart to monitor the concrete compressive strength. Which of the following actions must be taken if consecutive points fall completely outside the control limits?
- 1Perform immediate recalibration of testing equipment without halting any ongoing concrete production
- 2Continue production normally without changes, treating these points as unavoidable random variations
- 3Stop production immediately and investigate the system to discover assignable causes of variation✓
- 4Adjust and widen the control limits on the chart to include the new outlying data points
Correct answer
Stop production immediately and investigate the system to discover assignable causes of variation
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