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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Table 13.19 shows the final grades in algebra and physics obtained by 10 students selected at random from a large group of students.
(a) Graph the data.
(b) Find a least-squares line fitting the data, using X as the independent variable.
(c) Find a least-squares line fitting the data, using Y as the independent variable.
(d ) If a student receives a grade of 75 in algebra, what is her expected grade in physics?
(e) If a student receives a grade of 95 in physics, what is her expected grade in algebra?
|
Algebra (X) |
75 |
80 |
93 |
65 |
87 |
71 |
98 |
68 |
84 |
77 |
|
Physics (Y) |
82 |
78 |
86 |
72 |
91 |
80 |
95 |
72 |
89 |
74 |
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