A student at a junior college conducted a survey of 20 randomly selected full-time students to determine the relation between the number of hours of video game playing each week, x, and grade-point average, y. She found that a linear relation exists between the two variables. The least-squares regression line that describes this relation is y = - 0.0578x +2.9232. (a) Predict the grade-point average of a student who plays video games 8 hours per week.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 93E
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A student at a junior college conducted a survey of 20 randomly selected full-time students to determine the relation between the number of
hours of video game playing each week, x, and grade-point average, y. She found that a linear relation exists between the two variables. The
least-squares regression line that describes this relation is y = - 0.0578x+ 2.9232.
(a) Predict the grade-point average of a student who plays video games 8 hours per week.
Transcribed Image Text:A student at a junior college conducted a survey of 20 randomly selected full-time students to determine the relation between the number of hours of video game playing each week, x, and grade-point average, y. She found that a linear relation exists between the two variables. The least-squares regression line that describes this relation is y = - 0.0578x+ 2.9232. (a) Predict the grade-point average of a student who plays video games 8 hours per week.
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