A highway patrol officer believes that the average speed of cars traveling over a certain stretch of highway exceeds the posted limit of 55 km/ hr. A random sample of 10 cars had their speeds measured by radar. The results in Km / hr are as follows:71, 53, 62, 49, 59, 52, 58, 61, 85, 55Do these data provide sufficient evidence to support the highway patrol belief, at the 10% level of significance?

Name: A highway patrol officer believes that the average speed of cars trave
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Description: A highway patrol officer believes that the average speed of cars traveling over a certain stretch of highway exceeds the posted limit of 55 km/ hr. A random sample of 10 cars had their speeds measured by radar. The results in Km / hr are as follows:7

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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 highway patrol officer believes that the average speed of cars traveling over a certain stretch of highway exceeds the posted limit of 55 km/ hr. A random sample of 10 cars had their speeds measured by radar. The results in Km / hr are as follows:

71, 53, 62, 49, 59, 52, 58, 61, 85, 55

Do these data provide sufficient evidence to support the highway patrol belief, at the 10% level of significance?

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