The correct answer is D. regression method.
A regression method is a statistical method used to measure the average change in a dependent variable, with respect to a change of one unit in an independent variable. It is a powerful tool that can be used to understand the relationship between two or more variables.
A times series method is a statistical method used to analyze data that is collected over time. It is often used to identify trends and patterns in data.
A time horizon method is a financial planning method that focuses on the long-term. It is often used to create a retirement plan or to save for a major purchase.
An aggression method is a military strategy that involves attacking the enemy with overwhelming force.
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