Problem 1
Somewhere in the Milky Way Galaxy, a class of 2,000 students took a course in Astronomy. The first exam scores and the final exam percentage reached earth, but transmission broke off after only a dozen students' scores were received. This is the only information available about that class. That information is in the table below.
Student
|
Exam 1
|
Final
|
Scorpio
|
85
|
76
|
Andromeda
|
80
|
77
|
Pictor
|
70
|
72
|
Tucana
|
85
|
88
|
Vulpecula
|
80
|
76
|
Crux
|
85
|
83
|
Perseus
|
40
|
55
|
Orion
|
75
|
77
|
Cassieopia
|
80
|
72
|
Ursa
|
55
|
73
|
Centaurus
|
70
|
71
|
Hydrus
|
85
|
81
|
Use these data to answer the following questions
Using a pencil, paper, and a calculator, find the slope and the intercept term for Final = a + b Exam1. Show your work, step by step.