A recycling-sort model was fitted on weekday household bags. Weekend festival bags have a different mix. What sample should testers use for a statistically meaningful verdict?
Select an answer to reveal the explanation.
Short Explanation
A sort model fitted on weekday household bags cannot be judged on weekday bags alone when weekend festival bags have a different mix. Use a statistically significant sample from the operational distributions. Three vivid festival bags do not replace that sample.
Full Explanation
Distributional performance must be evaluated against operational data, not only the training distribution. Weekday-only samples, three anecdotes, and a Chapter 5 how-to miss that evaluation.