Public-pool logs include a turbidity of -4 on a scale that is only defined from 0 to 40. Which dataset constraint should the tester apply?

Turbidity of -4 on a scale defined from 0 to 40 is an out-of-range reading, so apply a single-value range constraint. A type constraint hunts the word “crowded” in a count field, a sum constraint hunts a daily points cap, and a Chapter 6 adversarial derivation is a later method.