Tauri is investigating how long his phone's battery lasts (in hours) for various brightness levels (on a scale of0-100). His data is displayed in the table and graph below.Brightness Level (x)Hours (y)HoursClick Download CSV to download csv file of data or copy/paste the data into Excel. After downloading thefile, you may want to save it as an Excel Workbook.ch8765Cu10●2018 23 26 35 37 44 73 945.5 5.7 3.7 5.7 5.3 3.7 2.54.330•40 50 60Brightness Level70●80 90 100 11qa. Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in theequation. Note the negative sign in the middle of equation.? ✓b. Interpret the slope in context. Tauri should expectObrightness level goes up by 0.0329 per additional hour.Obrightness level goes down by 0.0329 per additional hour.O hours go down by 0.0329 per each additional brightness level.O hours go up by 0.0329 per each additional brightness level.B c. What does the equation predict for the number of hours the phone will last at a brightness level of37?Round properly to 1 decimal place.hoursd. What is the residual if the phone battery lasts 5.7 hours when the brighness level is 37?Round properly to 1 decimal place.hours

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Tauri 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) Hours 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. 8 7 6 5 ch C₂ H 10 20 30 18 23 26 35 37 4.3 5.5 5.7 3.7 5.7 5.3 • 40 50 60 Brightness Level 44 73 94 2.5 3.7 70 ● 80 90 100 11 a b. Interpret the slope in context. Tauri should expect 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. ? ✓ Obrightness level goes up by 0.0329 per additional hour. Obrightness level goes down by 0.0329 per additional hour. O hours go down by 0.0329 per each additional brightness level. hours go up by 0.0329 per each additional brightness level. a

Tauri 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) Hours 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. 8 7 6 5 ch C₂ H 10 20 30 18 23 26 35 37 4.3 5.5 5.7 3.7 5.7 5.3 • 40 50 60 Brightness Level 44 73 94 2.5 3.7 70 ● 80 90 100 11 a b. Interpret the slope in context. Tauri should expect 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. ? ✓ Obrightness level goes up by 0.0329 per additional hour. Obrightness level goes down by 0.0329 per additional hour. O hours go down by 0.0329 per each additional brightness level. hours go up by 0.0329 per each additional brightness level. a

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Nate 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. 89 Brightness Level (x) Hours (y) 26 30 52 55 68 68 79 5.1 6. 3.9 4.5 1.8 5.7 2.8 2.3 +6 积 3. 70 80 90 100 11 60 Brightness Level 10 30 40 50 What is the residual for the point (68,5.7)? Round to 3 decimal places. hours Question Help: D Video D Post to forum Submit Question EGO 20
Craig 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. Do not round between steps. Round answers to at least 4 decimal places. Brightness Level (x) 32 40 48 66 71 77 84 95 Hours (y) 5.6 4.2 5 3.9 3.7 1.8 1.6 1.5 1) Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. y^ (y hat)= 2) What does the equation predict for the number of hours the phone will last at a brightness level of 71? hours What is the residual for the point (71,3.7)? hours 3) e) Find the 95% prediction interval for the number of hours the phone will last at a brightness level of 71. < y < hours
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Evan 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) 17 26 30 35 36 37 45 94 Hours (y) 6.7 5.9 5.8 4.5 6.8 6.1 3.8 2.1 10203040506070809010011012345678910-1Brightness LevelHours a) Find the equation for the line of best fit. Keep at least 4 decimals for each parameter in the equation. b) Interpret the slope in context. Evan should expect -0.0604 hours per brightness level. Evan should expect -0.0604 brightness level per hour. c) What does the equation predict for the number of hours the phone will last at a brightness level of 36? hours