In this paper, we focus the Type II sensitivity analysis (SA) in the interval assignment problem (IAP). We attempt to perform Type II sensitivity analysis which determines the range of perturbation to keep the current optimal assignment remaining optimal. The proposedmethod can help the decision makers to determine what level of exactness is necessary for a parameter to make the model adequately useful and valid when they are handling distribution problem having imprecise parameters. Numerical examples are provided to demonstrate the potentiality of the proposed method.
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