Math Solutions

[Solution Library] A math teacher believes there is a correlation between a student’s Exam I score (x) and the Final Exam score (y). Below are the test scores

Question: A math teacher believes there is a correlation between a student’s Exam I score (x) and the Final Exam score (y). Below are the test scores (and useful calculations) from the ten students in the class. Compute the linear correlation coefficient (r) and determine whether or not there is a linear correlation.

# x y xy x^2 y^2
1 Eric 92 89 8,188 8,464 7,921
2 Tina 92 89 8,188 8,464 7,921
3 Robert 89 89 7,921 7,921 7,921
4 Michael 89 82 7,298 7,921 6,724
5 Mary Beth 84 94 7,896 7,056 8,836
6 Christy 85 94 7,990 7,225 8,836
7 Lauren 94 89 8,366 8,836 7,921
8 Giovanni 77 82 6,314 5,929 6,724
9 Jean 81 60 4,860 6,561 3,600
10 Ryan 68 61 4,148 4,624 3,721
10 Count/Sum 851 829 71,169 73,001 70,125


Price: $2.99
Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document


∴ Other downloads you may be interested in ∴

log in to your account

Forgot password?
Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in