What is the equation of the regression line?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 4GP
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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