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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
![Student
Name
Jack
Anne
7-11
Harry
Sharon
John
James
13. The following data was collected by a teacher who gave a test. He wonders if
there is a relationship between the hours students studied for a test and the score that
was achieved.
Adam
Brandon
Brett
Brady
Charles
Darren
Dave
Dawn
Denise
Eric
Emily
Fred
Fran
Jane
Hours
Studied
6
7
6,5
8
6,6
8,1
6,8
6,9
d) How
7,3
6,9
8,2
7,2
7,3
6,9
8,6
7,4
7,6
6,8
8
7,4
6,5
Grade
53%
60%
56%
79%
58%
85%
70%
56%
69%
76%
79%
68%
74%
many.
72%
84%
78%
76%
65%
92%
80%
65%
Test Score 9
a) Create a scatter plot for the data and draw in the line of best fit.
b) Find the equation of the line of best fit using your calculator.
-20
c) Using your regression equation, determine the score a student could expect to
receive if they had studied for 5.0 hours.
hours would a student need to study so as to expect a score of 95%.
e) Is your answer to d) above reasonable? Explain.
Hours Spent Studying
f) Is there another variable that needs to be considered in this situation?
* I+](https://content.bartleby.com/qna-images/question/b05a9cb6-1827-4578-9c35-3fc26e052498/a5e2a9cf-d771-4a5e-8bf4-5c1cf5a0221c/c17oo7_thumbnail.jpeg)
Transcribed Image Text:Student
Name
Jack
Anne
7-11
Harry
Sharon
John
James
13. The following data was collected by a teacher who gave a test. He wonders if
there is a relationship between the hours students studied for a test and the score that
was achieved.
Adam
Brandon
Brett
Brady
Charles
Darren
Dave
Dawn
Denise
Eric
Emily
Fred
Fran
Jane
Hours
Studied
6
7
6,5
8
6,6
8,1
6,8
6,9
d) How
7,3
6,9
8,2
7,2
7,3
6,9
8,6
7,4
7,6
6,8
8
7,4
6,5
Grade
53%
60%
56%
79%
58%
85%
70%
56%
69%
76%
79%
68%
74%
many.
72%
84%
78%
76%
65%
92%
80%
65%
Test Score 9
a) Create a scatter plot for the data and draw in the line of best fit.
b) Find the equation of the line of best fit using your calculator.
-20
c) Using your regression equation, determine the score a student could expect to
receive if they had studied for 5.0 hours.
hours would a student need to study so as to expect a score of 95%.
e) Is your answer to d) above reasonable? Explain.
Hours Spent Studying
f) Is there another variable that needs to be considered in this situation?
* I+
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