The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows: 77 50 71 72 81 94 96 99 67 ... y 82 66 78 34 47 85 99 99 68 Answer the following questions: 1. Estimate the linear regression equation: y = a + bx • What is the value of a? Blank 1 • What is the value of b? Blank 2 Remarks: Round off up to 4 decimal places 2. What is the correlation coefficient of the given data? Blank 3 Blank 4 Remarks: Round off up to 4 decimal places 3. What is the coefficient of determination? Blank 5 Remarks: Round off up to 4 decimal places

The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows: 77 50 71 72 81 94 96 99 67 ... y 82 66 78 34 47 85 99 99 68 Answer the following questions: 1. Estimate the linear regression equation: y = a + bx • What is the value of a? Blank 1 • What is the value of b? Blank 2 Remarks: Round off up to 4 decimal places 2. What is the correlation coefficient of the given data? Blank 3 Blank 4 Remarks: Round off up to 4 decimal places 3. What is the coefficient of determination? Blank 5 Remarks: Round off up to 4 decimal places

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Polynomial Functions

Section3.5: Mathematical Modeling And Variation

Problem 2ECP

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