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. xy12801641206721512349245726703078305432393342 What is the equation of the regression line?Select the correct answer below:yˆ=−0.677x+24.3yˆ=14.673x+24.3yˆ=14.673x+73.5yˆ=−0.677x+73.5

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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

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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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