Question

The time a student spends on an online test is compared with the score recieved. After conducting linear regression, a correlation coefficient of 0.867 is determined. Clearly and consicely explain what this r-value means.

Answer 1

The following data relates the time a student spends on an online test with the final score: (8 points, 20 minutes), (22 points, 40 minutes), (33 points, 58 minutes), (38 points, 120 minutes). Use your TI83 to determine the linear regression equation, and choose the best response below a. Points = -9.3(minutes) +0.26

Explanation:

That's literally it hehe