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The Following Data Were Collected on the Number of Study

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The following data were collected on the number of study hours per week,and the current GPA of 6 students at a local college.
 GPA  No. of Study Hours/Week 3.95353.00282.20102.5153.5302.007\begin{array} { l c } \text { GPA } & \text { No. of Study Hours/Week } \\\hline 3.95 & 35 \\3.00 & 28 \\2.20 & 10 \\2.5 & 15 \\3.5 & 30 \\2.00 & 7\end{array}
a.Develop a regression model to predict GPA based on the number of study hours.
b.What percent of the total variation in GPA has been explained by study hours?
c.If a student studies 20 hours per week,what would you estimate the GPA to be?

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a.GPA = 1.525 + 0....

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