Webster Chemical Company produces mastics and cauking for the construction industry. The product is blended in large mixers and then pumped into tubes and capped Management is concerned about whether the filing process for tubes of caulking in statistical control The process should be centered on 6 ounces per tube Several samples of eight tubes were taken, each tube was weighed, and the weights in the table below were obtained Click the icon to view the ounces of caulking per tube dala Cick the icon to view the table of factors for calculating three-sigma limits for the chart and R chart a. Assume that only six samples are sufficient and develop the control charts for the mean and the range Set up the R-chart by specifying the center line and three-sigma control limits below (Enter your responses rounded to three decimal places) R-chart UCLA R= Cla
Webster Chemical Company produces mastics and cauking for the construction industry. The product is blended in large mixers and then pumped into tubes and capped Management is concerned about whether the filing process for tubes of caulking in statistical control The process should be centered on 6 ounces per tube Several samples of eight tubes were taken, each tube was weighed, and the weights in the table below were obtained Click the icon to view the ounces of caulking per tube dala Cick the icon to view the table of factors for calculating three-sigma limits for the chart and R chart a. Assume that only six samples are sufficient and develop the control charts for the mean and the range Set up the R-chart by specifying the center line and three-sigma control limits below (Enter your responses rounded to three decimal places) R-chart UCLA R= Cla
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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Transcribed Image Text:Webster Chemical Company produces mastics and cauking for the construction industry. The product is blended in large moxers and then pumped into tubes and capped Management is concerned about
whether the filling process for tubes of caulking in statistical control The process should be centered on 8 ounces per tube Several samples of eight tubes were taken, each tube was weighed, and the weights
in the table below were obtained
Click the icon to view the ounces of caulking per tube data
Cick the icon to view the table of factors for calculating three-sigma limits for the x-chart and Richart
a. Assume that only six samples are sufficient and develop the control charts for the mean and the range
Set up the R-chart by specifying the center line and three-sigma control limits below (Enter your responses rounded to three decimal places)
R-chart
UCLA -
R=
LCL
Transcribed Image Text:27
4
More Info
More Info
Sample
3456w
Size of
Sample (n)
2
7
8
9
10
123456
8.29
7.87
8.33
7.89
8.24
8.13
2
3
8.34
8.02
8.13
7,92 7.99
8.11
8.08 8.51
7.77
7.82 8.04
8.18 7.83 8.01
8.14 8.11 8.13
Tube number
4
5
6
7
8
7.94 8.44 8.06
7.81
8.11
7.93 7.81
8.14
7.88
8.41 8.28 8.09
8.16
8.00 7.89 7.93
8.09
7.90 8.16 7.97 8.07
8.14 7.93 8.13 8.14
21
Factors for calculating three-sigma limits for the x-chart and R-chart.
Factor for LCL
Factor for UCL and LCL
for x-chart (A₂)
for R-Chart (D₂)
1.880
1.023
0.729
0.577
0.483
0.419
0.373
0.337
0.308
0
0
0
0
0
0.076
0.136
0.184
0223
Factor for UCL
for R-Chart (D₂)
3.267
2.575
2 282
2.115
2.004
01
1.924
1.864
1.816
1.777
-X
X
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