We collected teacher ratings for 25 courses taught by an instructor over a six-year period. The students' ratings of the instructor are on a scale of 1 to 9. We found that The linear regression equation is: Average Rating 7.88-0.068 Number of Students 1. Interpret the slope of this model including units: The average rating decreases 0.068 + per each additional student. 2. The predicted teacher rating for a class size of 15 students using the given prediction equation is 6.86 Next pa CS Scanned with CamScanner

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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We collected teacher ratings for 25 courses taught by an instructor over a six-year
period. The students' ratings of the instructor are on a scale of 1 to 9. We found that
The linear regression equation is: Average Raring 7.88-0.068 Number of
Students
1. Interpret the slope of this model including units: The average rating decreases
0.068 + per each additional student.
2. The predicted teacher rating for a class size of 15 students using the given
prediction equation is 6.86
Next page
CS Scanned with CamScanner
Transcribed Image Text:We collected teacher ratings for 25 courses taught by an instructor over a six-year period. The students' ratings of the instructor are on a scale of 1 to 9. We found that The linear regression equation is: Average Raring 7.88-0.068 Number of Students 1. Interpret the slope of this model including units: The average rating decreases 0.068 + per each additional student. 2. The predicted teacher rating for a class size of 15 students using the given prediction equation is 6.86 Next page CS Scanned with CamScanner
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