The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows: Pupil: L M N O P Q R S T U Before 51 59 51 53 58 58 60 55 61 54 After 54 63 55 57 63 58 58 60 61 51 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 line. b. Estimate the final examination grade of a student who received a grade of 85 on the midterm report.
The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows: Pupil: L M N O P Q R S T U Before 51 59 51 53 58 58 60 55 61 54 After 54 63 55 57 63 58 58 60 61 51 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 line. b. Estimate the final examination grade of a student who received a grade of 85 on the midterm report.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows:
Pupil: |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
Before |
51 |
59 |
51 |
53 |
58 |
58 |
60 |
55 |
61 |
54 |
After |
54 |
63 |
55 |
57 |
63 |
58 |
58 |
60 |
61 |
51 |
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 line.
b. Estimate the final examination grade of a student who received a grade of 85 on the midterm report.
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