Answered: Method A X1 = 7.72 S1 = 0.67 n1 = 17…

Name: Two methods of assembling a television component are under considerati
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Description: Two methods of assembling a television component are under consideration by management. Because of mire expensive machinery requirements, method B will only be adopted if it is significantly shorter than method A by more than a minute. In order to de

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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Two methods of assembling a television component are under consideration by management. Because of mire expensive machinery requirements, method B will only be adopted if it is significantly shorter than method A by more than a minute. In order to determine which method to adopt a skilled worker becomes proficient in both methods, and is then timed with a stopwatch while assembling the component by both methods. The following data were obtained:

Method A
X1 = 7.72
S1 = 0.67
n1 = 17
Method B
X2 = 6.21
S2 = 0.51
%3D
n2 = 25
%3D
i) Assuming that o? = o²1 = 0²2, what is the point estimate of o?
ii) Calculate the observed value of the test statistic for this problem.

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