Which type of model always includes random variation?

Name: Which type of model always includes random variation?
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Question

Quizplus · Accepted Answer

Stochastic models incorporate random variation into their structure, whereas deterministic models do not. The terms logistic and exponential refer to specific types of mathematical functions that can be used to model relationships between variables, but these models can be either stochastic or deterministic depending on whether or not they incorporate random variation.

Which Type of Model Always Includes Random Variation