Solve the Problem $y=88.6-1.86 x$ Where $x$ Is the Number of Hours Spent in the Lab and Average

Multiple Choice

Solve the problem.
-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. By using linear regression, the following equation is obtained: $y=88.6-1.86 x$ where $x$ is the number of hours spent in the lab and y is grade on the test. Use this equation to predict the grade of a student who spends 13 hours in the lab.

A) 67.0
B) 75.6
C) 64.4
D) 60.4