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The grades of a selected 9 students of Math 122 class on a midterm report and on the final report are as follows: Midterm 77 50 | 71 72 81 94 96 99 | 67 Final 82 66 78 34 47 85 99 99 68 a) Find the equation of the regression line to predict the final grade of a student from the midterm grade. b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report. c.) Draw the regression line.

The grades of a selected 9 students of Math 122 class on a midterm report and on the final report are as follows: Midterm 77 50 | 71 72 81 94 96 99 | 67 Final 82 66 78 34 47 85 99 99 68 a) Find the equation of the regression line to predict the final grade of a student from the midterm grade. b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report. c.) Draw the regression line.

Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Matrices
Section2.CR: Review Exercises
Problem 90CR
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The grades of a selected 9 students of Math 122 class on a midterm report and on the final report are as follows: Midterm 77 50 71 72 81 | 94 96 99 | 67 Final 82 66 78 34 47 85 99 99 68 a) Find the equation of the regression line to predict the final grade of a student from the midterm grade. b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report. c.) Draw the regression line. d) What is the degree of relationship between the midterm grades and final grades of the students?
Transcribed Image Text:The grades of a selected 9 students of Math 122 class on a midterm report and on the final report are as follows: Midterm 77 50 71 72 81 | 94 96 99 | 67 Final 82 66 78 34 47 85 99 99 68 a) Find the equation of the regression line to predict the final grade of a student from the midterm grade. b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report. c.) Draw the regression line. d) What is the degree of relationship between the midterm grades and final grades of the students?
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