Answered: Samples of size 5 provided the…

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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Samples of size 5 provided the following 20 sample means for a production process that is
believed to be in control.
95.72 95.24 95.18
95.44 95.46 95.32
95.40 95.44 95.08
95.50 95.80 95.22
95.56 95.22 95.04
95.72 94.82 95.46
95.60 95.78
a. based on these data, what is an estimate of the mean when the process is in
control?
b. Assume that the process standard deviation is s = .50. Develop the x
_
control chart for
this production process. Assume that the mean of the process is the estimate developed
in part (a).

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