Question

1. The grades of a students on a midterm report x and on the final examination y are as follows: x | 77 | 50 | 71 | 72 | 81 | 94 | 96 | 99 | 67 y | 82 | 66 | 78 | 34 | 47 | 85 | 99 | 99 | 68 (a) Estimate the linear regression lines. (b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report. [10 M]

          1. The grades of a students on a midterm report x and on the final examination y are as follows:

x | 77 | 50 | 71 | 72 | 81 | 94 | 96 | 99 | 67
y | 82 | 66 | 78 | 34 | 47 | 85 | 99 | 99 | 68

(a) Estimate the linear regression lines.
(b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report.
[10 M]

1. The grades of a students on a midterm report x and on the final examination y are as follows:

x | 77 | 50 | 71 | 72 | 81 | 94 | 96 | 99 | 67
y | 82 | 66 | 78 | 34 | 47 | 85 | 99 | 99 | 68

(a) Estimate the linear regression lines.
(b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report.
[10 M]

Added by Derrick C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert David Nguyen

05/26/2022

Step 1

The data provided in the image is as follows: x: [77, 50, 71, 72, 81, 94, 96, 99, 67] y: [82, 66, 78, 34, 47, 85, 99, 99, 68] Show more…

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The grades of a students on a midterm report x and on the final examination y are as follows: x | 77 | 50 | 71 | 72 | 81 | 94 | 96 | 99 | 67 y | 82 | 66 | 78 | 34 | 47 | 85 | 99 | 99 | 68 (a) Estimate the linear regression lines. (b) Estimate the final examination grade of a student who received a grade of 85 on the midterm report.