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In the case of the simple regression model Yi = β0 + β1Xi + ui, i = 1, …, n, when X and u are correlated, then
Agitation
A state of nervous excitement or anxiety, often displayed through restless or excessive movement.
Norepinephrine
A neurotransmitter and hormone involved in the body’s fight or flight response, influencing heart rate, blood pressure, and sugar metabolism.
Manic Episode
A period of abnormally elevated or irritable mood, arousal, and/or energy levels, which is characteristic of bipolar disorder and can affect functioning.
Major Depressive Disorder
A mental health condition characterized by persistent and intense feelings of sadness or despair, significantly impacting daily functioning.
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