The Regression Line Has Been Fitted to the Data

question 206

Multiple Choice

The regression line has been fitted to the data points (4, 8) , (2, 5) , and (1, 2) .The sum of the squared residuals will be:

• A) 7
• B) 15
• C) 8
• D) 22

Describe the mechanism of low-frequency sound perception in human hearing.

Grasp the role and significance of the optic nerve in the visual pathway.

Recognize the variety and mechanisms of basic skin senses.

Understand the structural components of the eye and their functional significance.

---

Definitions:

Methadone

A synthetic opioid used medically as a painkiller and in the treatment of heroin addiction.

Morphine

A potent opiate analgesic drug derived from the opium poppy used for pain relief.

Heroin

An opioid drug derived from morphine, highly addictive and illegal, commonly used for its euphoric effects.

REM Sleep

A stage of sleep characterized by rapid eye movements, during which the most vivid dreams occur, and is considered important for emotional regulation and memory consolidation.