Consider the following passage:
In an industrial audit of 40 manufacturing plants that adopted Calcined Clay Technology (CCT) to reduce industrial emissions, every audited plant achieved at least a 25 percent reduction in per-ton carbon output compared to traditional production methods. However, operating costs per ton rose by an average of 12 percent across all 40 facilities, primarily due to the energy consumed during clay calcination. Furthermore, plants that sourced raw clay locally recorded 15 percent lower transportation expenses than plants that imported raw clay.
Based on the passage, match each statement on the left to its proper logical classification on the right.
- At least one audited plant using Calcined Clay Technology experienced higher per-ton operating costs than it incurred under traditional production methods.Valid Inference (Must Be True based strictly on the passage premises)
- The savings in transportation expenses achieved by plants sourcing raw clay locally were not fully offset by higher local clay extraction expenses.Unstated Assumption (Necessary unstated premise required for a net savings claim to hold)
- Widespread industry adoption of Calcined Clay Technology will result in the complete elimination of traditional manufacturing methods within the next decade.Unwarranted Speculation (Unsupported future extrapolation going beyond passage facts)
Answer
Statement 1 matches Valid Inference; Statement 2 matches Unstated Assumption; Statement 3 matches Unwarranted Speculation.
The correct pairings accurately categorize each statement based on formal logical standards: Statement 1 strictly follows from the passage facts (Valid Inference); Statement 2 supplies a required unstated condition for net savings (Unstated Assumption); Statement 3 predicts an unsupported long-term industry shift (Unwarranted Speculation).
Step-by-Step Solution
Key Concept
Distinguishing Inferences from Assumptions and Speculations