educational researcher wants to see if the number of hours that a student watches TV is somewhat related to the student's GPA. The data that she lects is shown in the table at the left. (15 pts) urs 1 GPA 3.5 3.3 2.7 2.7 3.4 3.8 2.9 2.1 3.7 2.7 3.9 2.8 3.0 2.4 2.8 Graph the data in a scatter plot What is the correlation coefficient of the data? What is the linear regression equation which best models the data? If a student watches 20 hours of TV, what is the best prediction of their GPA? f a student watches 100 hors of TV what is the best prediction of their GRA?

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An educational researcher wants to see if the number of hours that a student watches TV is somewhat related to the student's GPA. The data that she
collects is shown in the table at the left. (15 pts)
Hours
TV
5
7
10
11
7
1
24
14
0
4
12
2
8
27
3
GPA
3.5
3.3
2.7
2.7
3.4
3.8
2.9
2.1
3.7
2.7
3.9
2.8
3.0
2.4
2.8
A) Graph the data in a scatter plot
B) What is the correlation coefficient of the data?
C) What is the linear regression equation which best models the data?
D) If a student watches 20 hours of TV, what is the best prediction of their GPA?
E) If a student watches 100 hors of TV, what is the best prediction of their GPA?
Transcribed Image Text:An educational researcher wants to see if the number of hours that a student watches TV is somewhat related to the student's GPA. The data that she collects is shown in the table at the left. (15 pts) Hours TV 5 7 10 11 7 1 24 14 0 4 12 2 8 27 3 GPA 3.5 3.3 2.7 2.7 3.4 3.8 2.9 2.1 3.7 2.7 3.9 2.8 3.0 2.4 2.8 A) Graph the data in a scatter plot B) What is the correlation coefficient of the data? C) What is the linear regression equation which best models the data? D) If a student watches 20 hours of TV, what is the best prediction of their GPA? E) If a student watches 100 hors of TV, what is the best prediction of their GPA?
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