What is the equation of the regression line?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A random sample of 11 students produced the following data, where x is the hours spent per month playing video games, and y is the first-semester grade (out of a maximum of 80 points). The data are presented below in the table of values.
| x | y |
|---|---|
| 12 | 80 |
| 16 | 41 |
| 20 | 67 |
| 21 | 51 |
| 23 | 49 |
| 24 | 57 |
| 26 | 70 |
| 30 | 78 |
| 30 | 54 |
| 32 | 39 |
| 33 | 42 |
What is the equation of the regression line?
Select the correct answer below:
yˆ=−0.677x+24.3
yˆ=14.673x+24.3
yˆ=14.673x+73.5
yˆ=−0.677x+73.5
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