Answered: A consumer research organization…

Name: A consumer research organization routinely selects several car models
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: A consumer research organization routinely selects several car models each year and evaluates their fuel efficiency .In this year’s study of two similar subcompact models from two different automakers ,the average gas mileage for 12 cars of brand A w

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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A consumer research organization routinely selects several car models each year and evaluates their fuel efficiency .In this year’s study of two similar subcompact models from two different automakers ,the average gas mileage for 12 cars of brand A was 27.2 miles per gallon ,and the standard deviation was 3.8 mpg .The nine B brand cars that were tested averaged 32.4 mpg and the standard deviation was 4.3 mpg .At £ = 0.01,should it conclude that brand A cars have lower average gas mileage than do brand B cars ?

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