For the given data, the x = 8.9008 inches (round your response to four decimal places) Based on the sampling done, the control limits for 3-sigma x chart are: Upper Control Limit (UCL)= 8.9221 inches (round your response to four decimal Lower Control Limit (LCL-) = inches (round your response to four decimal place Definition Sample Size, n 2 Mean Factor, A₂ 1.880 4.000
For the given data, the x = 8.9008 inches (round your response to four decimal places) Based on the sampling done, the control limits for 3-sigma x chart are: Upper Control Limit (UCL)= 8.9221 inches (round your response to four decimal Lower Control Limit (LCL-) = inches (round your response to four decimal place Definition Sample Size, n 2 Mean Factor, A₂ 1.880 4.000
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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Pls solve for LCL-x and R and pls do the conrol limits for the 3 sigma r chart upper and lower limits
Transcribed Image Text:Twelve samples, each containing five parts, were taken from a process that produces steel rods at Emmanual Kodzi's factory. The length of each rod in the samples was determined. The results
were tabulated and sample means and ranges were computed. The results were:
Sample
1
2
3
4
5
6
Sample
Mean (in.)
8.900
8.902
8.889
8.908
8.899
8.897
=
the x = 8.9008 inches (round your response to four decimal places)
Range (in.) Sample Sample Mean (in.) Range (in.)
7
8
9
10
11
For the given
Based on the sampling done, the control limits for 3-sigma x chart are:
Upper Control Limit (UCL) = 8.9221 inches (round your response to four decimal
Lower Control Limit (LCL-) = || inches (round your response to four decimal place!
0.033
0.041
0.034
0.051
0.031
Definition
Sample
Size, n
2
3
4
5
6
7
8
9
10
12
8.903
8.907
8.895
8.903
8.901
Mean Factor,
A₂
1.880
1.023
0.729
0.577
0.483
0.419
0.373
0.337
0.308
0.266
0.041
0.034
0.027
0.029
0.039
Upper Range,
D4
3.268
2.574
2.282
2.115
2.004
1.924
1.864
1.816
1.777
1.716
Lower Range,
D3
0
0
0
0
0
0.076
0.136
0.184
0.223
0.284
X
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