Homework Help is Here – Start Your Trial Now!
Math
Statistics
Jeremy is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) Hours (y) Click Download CSV to download csv file of data or copy/paste the data into Excel. After downloading the file, you may want to save it as an Excel Workbook. 10+ 9- 8 Hours 7- 6- 5 3 2 1 1 < Previous 10 At C 20 23 25 30 31 34 40 84 86 5.4 5.8 6.3 6.6 6.2 5 4.8 2.2 J 30 40 60 50 Brightness Level 70 80 a. Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. Note the negative sign in the middle of equation. y = 0.0431 90 FX 100 11 x

Jeremy is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) Hours (y) Click Download CSV to download csv file of data or copy/paste the data into Excel. After downloading the file, you may want to save it as an Excel Workbook. 10+ 9- 8 Hours 7- 6- 5 3 2 1 1 < Previous 10 At C 20 23 25 30 31 34 40 84 86 5.4 5.8 6.3 6.6 6.2 5 4.8 2.2 J 30 40 60 50 Brightness Level 70 80 a. Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. Note the negative sign in the middle of equation. y = 0.0431 90 FX 100 11 x

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 14PPS
See similar textbooks
icon
Related questions
Question
Jeremy is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) Hours (y) 10+ 9- 8 Click Download CSV to download csv file of data or copy/paste the data into Excel. After downloading the file, you may want to save it as an Excel Workbook. Hours 7 6 3 2 1 -1- ý unnai < Previous Et 70 3 23 25 30 31 5.4 5.8 6.3 6.6 20 30 a. Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. Note the negative sign in the middle of equation. 0.0431 A $ 40 50 60 Brightness Level - 34 40 84 86 6.2 5 4.8 2.2 70 X 100 90 80 X no F9 8 8
Transcribed Image Text:Jeremy is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of 0-100). His data is displayed in the table and graph below. Brightness Level (x) Hours (y) 10+ 9- 8 Click Download CSV to download csv file of data or copy/paste the data into Excel. After downloading the file, you may want to save it as an Excel Workbook. Hours 7 6 3 2 1 -1- ý unnai < Previous Et 70 3 23 25 30 31 5.4 5.8 6.3 6.6 20 30 a. Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. Note the negative sign in the middle of equation. 0.0431 A $ 40 50 60 Brightness Level - 34 40 84 86 6.2 5 4.8 2.2 70 X 100 90 80 X no F9 8 8
a. Find the equation for the line of best fit. Keep at least 4 decimals for each paramete equation. Note the negative sign in the middle of equation. ý -0.0431 OF o 0.0431 b. Interpret the slope in context. Jeremy should expect O brightness level goes down by 0.0431 per additional hour. brightness level goes up by 0.0431 per additional hour. hours go up by 0.0431 per each additional brightness level. hours go down by 0.0431 per each additional brightness level. hs c. What does the equation predict for the number of hours the phone will last at a brightne 84? Round properly to 1 decimal place. Question Help: Video d. What is the residual if the phone battery lasts 4.8 hours when the brighness level is 84? Round properly to 1 decimal place. Previous Et 3 hours C hours x X C
Transcribed Image Text:a. Find the equation for the line of best fit. Keep at least 4 decimals for each paramete equation. Note the negative sign in the middle of equation. ý -0.0431 OF o 0.0431 b. Interpret the slope in context. Jeremy should expect O brightness level goes down by 0.0431 per additional hour. brightness level goes up by 0.0431 per additional hour. hours go up by 0.0431 per each additional brightness level. hours go down by 0.0431 per each additional brightness level. hs c. What does the equation predict for the number of hours the phone will last at a brightne 84? Round properly to 1 decimal place. Question Help: Video d. What is the residual if the phone battery lasts 4.8 hours when the brighness level is 84? Round properly to 1 decimal place. Previous Et 3 hours C hours x X C
Expert Solution
steps

Step by step

Solved in 5 steps with 6 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9780998625720
Author:
Lynn Marecek
Publisher:
OpenStax College
SEE MORE TEXTBOOKS