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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