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Name: The building specifications in a certain city require that the sewer p
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Description: The building specifications in a certain city require that the sewer pipe used in residential areas have a mean breaking strength of more than 2,500 pounds per lineal foot. A manufacture who would like to supply the city with sewer pipe has submitte

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 building specifications in a certain city require that the sewer pipe used in residential areas have a mean breaking strength of more than 2,500 pounds per lineal foot. A manufacture who would like to supply the city with sewer pipe has submitted a bid and provided the following additional information. An independent contractor selected a number of sections of the manufacturer's pipe and tested each for breaking strength. The results (pounds per lineal foot) are shown below with the mean and standard deviation of 2571.4 and 115.1 respectively:

2610, 2750, 2420, 2510, 2540, 2490, and 2680.

At 10% level of significance, the conclusion with respect to the pipe meeting required specifications is:

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