A history professor hoped to be able to predict final test grades based on the results of midterm exams. He drew on data from a variety of teachers who were all teaching the same course. He was able to get the following information: Midterm Scores (x) 75 55 65 82 88 64 Final Exam Scores (y) 89 65 77 92 90 76 Calculation will make use of the information listed below as well. Sy = 10.597 Sx = 12.374 x̅ = 71.5 ȳ = 81.5 r = 0.945 What are the values for each of the following? (1) b (2) a (3) If the professor's class received an 88 on the midterm, what do you think the class will get on the final exam?
A history professor hoped to be able to predict final test grades based on the results of midterm exams. He drew on data from a variety of teachers who were all teaching the same course. He was able to get the following information: Midterm Scores (x) 75 55 65 82 88 64 Final Exam Scores (y) 89 65 77 92 90 76 Calculation will make use of the information listed below as well. Sy = 10.597 Sx = 12.374 x̅ = 71.5 ȳ = 81.5 r = 0.945 What are the values for each of the following? (1) b (2) a (3) If the professor's class received an 88 on the midterm, what do you think the class will get on the final exam?
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
Related questions
Question
A history professor hoped to be able to predict final test grades based on the results of midterm exams. He drew on data from a variety of teachers who were all teaching the same course. He was able to get the following information:
Midterm Scores (x) | 75 | 55 | 65 | 82 | 88 | 64 |
Final Exam Scores (y) | 89 | 65 | 77 | 92 | 90 | 76 |
Calculation will make use of the information listed below as well.
Sy = 10.597 Sx = 12.374 x̅ = 71.5 ȳ = 81.5 r = 0.945
What are the values for each of the following?
(1) b
(2) a
(3) If the professor's class received an 88 on the midterm, what do you think the class will get on the final exam?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 2 images
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning