Suppose a Regression with 51 Observations Returns a Regression Sum

question 1

Multiple Choice

Suppose a regression with 51 observations returns a regression sum of squares of 56,000 and a total sum of squares of 250,000.The corresponding R² is:

• A) 0.776.
• B) 0.224.
• C) 0.345.
• D) 0.671.

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Definitions:

Thoracic Curvature

The natural curve of the thoracic spine, which is convex in shape when viewed from the side.

Cervical Curvature

This refers to the slight inward curve of the cervical spine, also known as the neck region of the spine.

Intervertebral Disc

A fibrocartilaginous structure located between the vertebrae that acts as a shock absorber and facilitates movement in the spine.

Lumbar Vertebra

One of the larger vertebrae located in the lower back part of the spinal column, supporting much of the body's weight.