Least square regression equation-correlation coefficient


Thirteen students entered undergraduate business program at Rollins college 2 years ago. The following table points out what their grade point averages (GPA) were after being in porgram for 2 years and what each student scorred on one part of SAT exam when he or she was in high school. Is there the meaningful relationship between grades and SAT scores? If the student scores a 450 on the SAT, what do you think his or her GPA will be?

What about the student who scores 800?      

Student SAT score GPA
A 421 2.9
B 377 2.93
C 585 3.00
D 690 3.45
E 608 3.66
F 390 2.88
G 415 2.15
H 481 2.53
I 729 3.22
J 501 1.99
K 613 2.75
L 709 3.09
M 366 1.60

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Basic Statistics: Least square regression equation-correlation coefficient
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