Search the web.. 0 Horne. Students ×\\ .> c-Secure l https://www marhatoorn/Stud

Question

Search the web.. 0 Horne. Students × .> c-Secure l https://www marhatoorn/StudentPlayer lestaginestids 174554369 @Take a lest . Kiitety w × MAT-240-R3476 Applied Statistics 18EW3 Kimberly w&12/28/18 5 35 PM Test: 8-3 MyStatLab: Final Examination Submit Test This Question: 10 pts 230f 28 (22 compete) This Test: 280 pts possible Question Hep A student at a junior college conducted a survey of 20 randomly selected ful-me sludents to determine e relaion bstwoen the number of hours of video game playing each week. x and grade point average linear relation exists between the two variables The least-sqpares regression ine thait describes this relation is y-0 0+2911 She lound hn (a) Predict the grade-point average of a student who plays video games 8 hours per week The predicted grade-point average is Round to the nearest hundredth as needed) (b) Interpret the slope For each additional hour that a student spends playing video games in a week. the gado pond average w byDr ts, on average (c) It appropriate interpret the y-intercapt O A. The average number of video games played n a week by students is 2 917, OB. The grade-point average of a stodent who does not play video games is 29171 C. It cannot be interoreted without more information Click to select your answerls) 935PM O MO Type here to search

Explanation / Answer

Solution:

y = -0.0559 x + 2.9171

a.
x = 8
The predicted grade point average is
y = -0.0559 (8) + 2.9171
= 2.4699

b.
slope of regression line is -0.0559
For each additional hour that a student spends playing video games in a week the grade point average will decrease by 0.0559.

c.
intercept = 2.9171
at x=0, y = 2.9171
B. The grade point average of a student who does not play video games is 2.9171

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.