The following is the list of MAD statistics for each of the models you have estimated from time-series data: 
Based on the MAD criterion, the most appropriate model is
Definitions:
Heart Disease
A range of conditions affecting the heart, including coronary artery disease, heart rhythm problems, and heart defects.
Type A Behavior Pattern
A personality type characterized by high stress levels, impatience, aggressiveness, and a sense of urgency.
Competitive
Having a strong desire to succeed or win in a situation, often by comparing oneself to or directly contesting with others.
Hostile
Characterized by antagonism, aggression, or opposition towards others; often manifests in unfriendly or harmful actions.
Q1: The forward-and-backward computation among the three layers
Q9: Referring to Scenario 14-8, the value of
Q36: Referring to Scenario 15-4, the better model
Q54: Referring to Scenario 14-7, the department head
Q56: When an additional explanatory variable is introduced
Q66: Referring to Scenario 16-12, using the regression
Q112: Referring to Scenario 14-5, which of the
Q120: Referring to Scenario 18-10 Model 1, which
Q269: Referring to Scenario 14-5, one company in
Q314: Referring to Scenario 18-2 and allowing for