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. The fuel economy sticker on a new SUV's window sticker indicates the owner can expect 16 mpg in city driving, 20 mpg highway driving and 18 mpg overall. Accurate gasoline records for one such vehicle were kept, and a random sample of mileage per tank for 50 fill-ups of gasoline was collected: 7.6 17.7 18.1 22.0 17.0 19.4 18.9 17.4 21.0 19.2 8.3 19.1 20.7 16.7 19.4 18.2 18.4 17.1 17.4 15.8 7.9 18.0 16.3 17.5 17.3 20.4 19.1 21.0 18.1 19.0 19.6 18.9 16.8 18.2 17.6 19.1 18.0 16.8 20.9 17.9 17.7 20.3 18.6 19.0 16.5 19.4 18.6 18.6 17.3 18.7 a. Can we consider the data to be normally distributed? Explain. b. Calculate the sample mean and standard deviation for this data. Round your answers to three decimal places. c. Calculate a 95% confidence interval for this data set. APA W N 25 MacBo ok Air

. The fuel economy sticker on a new SUV's window sticker indicates the owner can expect 16 mpg in city driving, 20 mpg highway driving and 18 mpg overall. Accurate gasoline records for one such vehicle were kept, and a random sample of mileage per tank for 50 fill-ups of gasoline was collected: 7.6 17.7 18.1 22.0 17.0 19.4 18.9 17.4 21.0 19.2 8.3 19.1 20.7 16.7 19.4 18.2 18.4 17.1 17.4 15.8 7.9 18.0 16.3 17.5 17.3 20.4 19.1 21.0 18.1 19.0 19.6 18.9 16.8 18.2 17.6 19.1 18.0 16.8 20.9 17.9 17.7 20.3 18.6 19.0 16.5 19.4 18.6 18.6 17.3 18.7 a. Can we consider the data to be normally distributed? Explain. b. Calculate the sample mean and standard deviation for this data. Round your answers to three decimal places. c. Calculate a 95% confidence interval for this data set. APA W N 25 MacBo ok Air

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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TextEdit File Edit Format View Window Help Confidence Intervals Assignment (2).rtf – Edited Times New Roman Regular C 12 BIU 1. E v 7. The fuel economy sticker on a new SUV's window sticker indicates the owner can expect 16 mpg in city driving, 20 mpg highway driving and 18 mpg overall. Accurate gasoline records for one such vehicle were kept, and a random sample of mileage per tank for 50 fill-ups of gasoline was collected: 17.6 17.7 18.1 22.0 17.0 19.4 18.9 17.4 21.0 19.2 18.3 19.1 20.7 16.7 19.4 18.2 18.4 17.1 17.4 15.8 17.9 18.0 16.3 17.5 17.3 20.4 19.1 21.0 18.1 19.0 19.6 18.9 16.8 18.2 17.6 19.1 18.0 16.8 20.9 17.9 17.7 20.3 18.6 19.0 16.5 19.4 18.6 18.6 17.3 18.7 a. Can we consider the data to be normally distributed? Explain. b. Calculate the sample mean and standard deviation for this data. Round your answers to three decimal places. c. Calculate a 95% confidence interval for this data set. APR WE N 25 : MacBook Air asc 20 44 & 21 3. 4. 5 8 R. tab
Transcribed Image Text:TextEdit File Edit Format View Window Help Confidence Intervals Assignment (2).rtf – Edited Times New Roman Regular C 12 BIU 1. E v 7. The fuel economy sticker on a new SUV's window sticker indicates the owner can expect 16 mpg in city driving, 20 mpg highway driving and 18 mpg overall. Accurate gasoline records for one such vehicle were kept, and a random sample of mileage per tank for 50 fill-ups of gasoline was collected: 17.6 17.7 18.1 22.0 17.0 19.4 18.9 17.4 21.0 19.2 18.3 19.1 20.7 16.7 19.4 18.2 18.4 17.1 17.4 15.8 17.9 18.0 16.3 17.5 17.3 20.4 19.1 21.0 18.1 19.0 19.6 18.9 16.8 18.2 17.6 19.1 18.0 16.8 20.9 17.9 17.7 20.3 18.6 19.0 16.5 19.4 18.6 18.6 17.3 18.7 a. Can we consider the data to be normally distributed? Explain. b. Calculate the sample mean and standard deviation for this data. Round your answers to three decimal places. c. Calculate a 95% confidence interval for this data set. APR WE N 25 : MacBook Air asc 20 44 & 21 3. 4. 5 8 R. tab
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