A Quadratic Regression Model Is Fit to a Set of Sample

question 66

Multiple Choice

A quadratic regression model is fit to a set of sample data consisting of 6 pairs of data. Given that the sum of squares of residuals is 29.73 and that the y-values are 11, 14, 19, 22, 26, 27, find $R ^ { 2 } = 1 - \frac { \Sigma ( y - \hat { y } ) ^ { 2 } } { \Sigma ( y - y ) ^ { 2 } } .$

• A) 0.144
• B) 0.88
• C) 0.856
• D) 0.844

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Definitions:

Emotional Behavior

Actions and reactions that are a direct expression of emotions, reflecting how an individual feels and responds to certain situations or stimuli.

Cerebral Hemisphere

One of the two symmetrical halves of the brain, the left and the right hemispheres, each responsible for different functions and cognitive processes.

Motor Functions

The physiological processes that involve the coordination and execution of voluntary and involuntary movements by the motor system.

Parietal Lobe

One of the four main lobes of the brain, responsible for processing sensory information regarding the location of parts of the body as well as interpreting visual information and processing language and mathematics.