A multiple regression is shown for a data set of yachts where the dependent variable is the price in thousands of dollars. 
Given this information, what is the null hypothesis for testing the overall model?
Definitions:
Somatic
Relating to or affecting the body, especially as distinct from the mind or emotions.
Somatoform
Disorders characterized by physical symptoms that suggest a medical condition, but are not fully explained by a medical condition, substance use, or another mental disorder.
Psychosis
A mental disorder characterized by a disconnection from reality, which might include hallucinations, delusions, and impaired thought processes.
Ego
A component of Sigmund Freud's psychoanalytic theory, representing the realistic part of the psyche that mediates between desires and moral constraints.
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