Write the Best-Fit Linear Model for the Data $\mathrm { y } = 88.6 - 1.86 \mathrm { x }$

question 105

Multiple Choice

Write the best-fit linear model for the data.
-A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. The linear model for this data is $\mathrm { y } = 88.6 - 1.86 \mathrm { x }$ , where $x$ is the number of hours spent in the lab and $y$ is grade on the test. Use this model to predict the grade of a student who spends 12 hours in the lab.

• A) 68.7
• B) 66.3
• C) 62.3
• D) 76.6

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Definitions:

Dorsal Ramus

A branch of a spinal nerve that innervates muscles and skin of the back.

Peripheral Nerves

Nerves located outside the brain and spinal cord, responsible for relaying information between the central nervous system and the rest of the body.

Stretch Reflex

An involuntary muscle contraction response to the stretching within the muscle, protecting the muscle from over-stretching and maintaining muscle tone.

Crossed-Extensor Reflex

A reflex action in which an extensor muscle in one limb is activated in response to a painful stimulus in another limb, facilitating balance and postural adjustment.