The phrase "parameter range" refers to the range of values that a parameter can take. In other words, it represents the minimum and maximum values that a particular parameter is allowed to have within a given context or situation. Full definition
But at least the heat in chili is linear and has exact parameters ranging from hot to not so hot. (fieryfoodscentral.com)
Table 8.3 gives, for example, details of 8 EMICS (intermediate complexity) with parameter ranges, properties etc.. (climateaudit.org)
Develop modeling instincts so modelers know what assumptions are reasonable and likely to result in dependable results, and what parameter ranges are realistic to account for invariable deviations of reality from models. (financetraining.com)