1. The grades of a class of 9 students on a midterm report and on the final examination are given as follows: Midterm Examination report 77 82 50 66 71 78 72 34 81 47 94 85 96 99 99 99 67 68 a. It was claimed that the scores of the midterm report has an influence on the grade in the final examination. Validate this claim by determining if there is a linear correlation between the grades of midterm report and the final examination. b. If there is a linear correlation, based on your computation in letter (a), construct a simple linear regression model. Otherwise, disregard this question and the next question. c. Estimate the final examination grade when the midterm report is 75.

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1. The grades of a class of 9 students on a midterm report and on the final examination are given
as follows:
Midterm
Examination
report
77
82
50
66
71
78
72
34
81
47
94
85
96
99
99
99
67
68
a. It was claimed that the scores of the midterm report has an influence on the grade in the final
examination. Validate this claim by determining if there is a linear correlation between the
grades of midterm report and the final examination.
b. If there is a linear correlation, based on your computation in letter (a), construct a simple linear
regression model. Otherwise, disregard this question and the next question.
C. Estimate the final examination grade when the midterm report is 75.
Transcribed Image Text:1. The grades of a class of 9 students on a midterm report and on the final examination are given as follows: Midterm Examination report 77 82 50 66 71 78 72 34 81 47 94 85 96 99 99 99 67 68 a. It was claimed that the scores of the midterm report has an influence on the grade in the final examination. Validate this claim by determining if there is a linear correlation between the grades of midterm report and the final examination. b. If there is a linear correlation, based on your computation in letter (a), construct a simple linear regression model. Otherwise, disregard this question and the next question. C. Estimate the final examination grade when the midterm report is 75.
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