Estimate the process standard deviation using information from the following processwith average X-bar equal to 700, and R-bar equal to 11, when using a sample size ofn = 3. The specifications are 705 ± 15 and the process output is normally distributed,6.4974.7294.0682.237O 2.524

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Description: Estimate the process standard deviation using information from the following processwith average X-bar equal to 700, and R-bar equal to 11, when using a sample size ofn = 3. The specifications are 705 ± 15 and the process output is normally distribu

We know that an estimator of process standard deviation is given by; σ^=R¯d2where;d2 is a constant…

Answered: Estimate the process standard deviation…

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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Estimate the process standard deviation using information from the following process
with average X-bar equal to 700, and R-bar equal to 11, when using a sample size of
n = 3. The specifications are 705 ± 15 and the process output is normally distributed,
6.497
4.729
4.068
2.237
O 2.524

Expert Solution

Step 1

We know that an estimator of process standard deviation is given by;

$\hat{σ} = \frac{\bar{R}}{d_{2}} w h e r e; d_{2} i s a c o n s \tan t o b t a i n e d f r o m t h e t a b l e o f c o n t r o l c h a r t c o n s \tan t s \bar{R} i s t h e a v e r a g e r a n g e$

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