he table below contains GPA and ACT scores for 10 students from a certain class. GPA АСТ 1.83 24 4.00 29 3.05 23 3.77 21 3.55 24 2.58 20 3.16 21 3.39 30 3.86 30 2.92 21 {1.83, 4, 3.05, 3.77, 3.55, 2.58, 3.16, 3.39, 3.86, 2.92} (a) Compute the correlation coefficient. What do you think about the relationship? (b) Determine the equation of the least squares line by calculating the slope (b1) and intercept (bo). Use this equation to forecast the ACT score of a student with GPA 3.00.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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The table below contains GPA and ACT scores for 10 students from a certain class.
GPA
АСT
1.83
24
4.00
29
3.05
23
3.77
21
3.55
24
2.58
20
3.16
21
3.39
30
3.86
30
2.92
21
{1.83, 4, 3.05, 3.77, 3.55, 2.58, 3.16, 3.39, 3.86, 2.92}
(a) Compute the correlation coefficient. What do you think about the relationship?
(b) Determine the equation of the least squares line by calculating the slope (b1) and intercept
(bo). Use this equation to forecast the ACT score of a student with GPA 3.00.
Transcribed Image Text:The table below contains GPA and ACT scores for 10 students from a certain class. GPA АСT 1.83 24 4.00 29 3.05 23 3.77 21 3.55 24 2.58 20 3.16 21 3.39 30 3.86 30 2.92 21 {1.83, 4, 3.05, 3.77, 3.55, 2.58, 3.16, 3.39, 3.86, 2.92} (a) Compute the correlation coefficient. What do you think about the relationship? (b) Determine the equation of the least squares line by calculating the slope (b1) and intercept (bo). Use this equation to forecast the ACT score of a student with GPA 3.00.
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