Two vendors' models return confidence scores of 85 and 92 for the same property. What may the appraiser conclude?
Correct Answer
B) The scores are not comparable across vendors
Why this is correct: Confidence scores are proprietary metrics. Each vendor uses its own scale, calculation method, and data, making direct numerical comparison invalid. A 92 from one vendor is not necessarily better than an 85 from another. Why the other choices are wrong: You cannot conclude one model is more accurate without knowing how each score is calibrated. Averaging scores from different scales is meaningless. The scores do not indicate both models used the same underlying data. Exam tip: Treat vendor confidence scores as internal, non-standardized indicators. Understand the vendor's methodology before relying on the score.
Why This Is the Correct Answer
Why this is correct: Confidence scores are proprietary metrics. Each vendor uses its own scale, calculation method, and data, making direct numerical comparison invalid. A 92 from one vendor is not necessarily better than an 85 from another. Why the other choices are wrong: You cannot conclude one model is more accurate without knowing how each score is calibrated. Averaging scores from different scales is meaningless. The scores do not indicate both models used the same underlying data. Exam tip: Treat vendor confidence scores as internal, non-standardized indicators. Understand the vendor's methodology before relying on the score.
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