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Name: A tennis pro-shop strings tennis rackets for customers based on their
Uploaded: 2024-03-20T07:07:12.000Z
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Description: A tennis pro-shop strings tennis rackets for customers based on their requested string tension. Customer complaints have started coming in saying that their rackets were strung at lower tensions than they requested. To test these complaints, the pro

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 tennis pro-shop strings tennis rackets for customers based on their requested string tension. Customer complaints have started coming in saying that their rackets were strung at lower tensions than they requested. To test these complaints, the pro shop quality engineer secretly brought in 27 rackets and asked for them to be strung to a tension of 56 psi. The quality engineer then measured the tension of each racket on a different device and found the average tension to be 55 psi with a standard deviation of 3.5 psi. In order to conduct the test, the engineer selected a significance level of 1%. What can the quality engineer conclude from this test?

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