A tenured bus inspector claims that the difference between the variance of speeds of all city buses and the variance of speeds of all provincial buses is at least 35.16 square miles per hour. The two owners of a city bus line and a provincial bus line, respectively, agreed to participate in the study. The owner of a city bus line provided 25 buses that served as samples, while the owner of a provincial bus line gave 18 sample buses. The standard deviations of the city and provincial buses in the samples were 2.09 miles per hour and 7.33 miles per hour, respectively. Is there sufficient evidence to support the claim at 1% significance level? use f-distribution

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6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A tenured bus inspector claims that the difference between the variance of speeds of all city buses and the variance of speeds of all provincial buses is at least 35.16 square miles per hour. The two owners of a city bus line and a provincial bus line, respectively, agreed to participate in the study. The owner of a city bus line provided 25 buses that served as samples, while the owner of a provincial bus line gave 18 sample buses. The standard deviations of the city and provincial buses in the samples were 2.09 miles per hour and 7.33 miles per hour, respectively. Is there sufficient evidence to support the claim at 1% significance level? use f-distribution

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