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Name: The average cost for teeth straightening with metal braces is approxim
Uploaded: 2024-03-20T07:07:12.000Z
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Description: The average cost for teeth straightening with metal braces is approximately 5400. A nationwide franchise thinks that its cost is below that figure. A random sample of 28 patients across the country had an average cost of 5250 with a standard deviatio

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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The average cost for teeth straightening with metal braces is approximately 5400. A nationwide franchise thinks that its cost is below that figure. A random sample of 28 patients across the country had an average cost of 5250 with a standard deviation of 629. At a=0.025, can it be concluded that the mean is less than 5400

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