Sample Grams Мean Range 10.1 10.6 9.8 9.9 10.1 0.8 2 9.7 9.5 10.3 9.9 9.85 0.8 10.1 10.7 9.2 10 10 1.5 4 9.9 9.8 10.5 10.1 10.075 0.7 5 10.4 10.1 10.9 9.9 10.325 1 Total 50.35 4.8 n=4 k=5

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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In reference to the attached image: 

Is the process in control? Why or why not? What action would you recommend?

В
E
F
H
Sample
Grams
Mean
Range
10.1
10.6
9.8
9.9
10.1
0.8
2
9.7
9.5
10.3
9.9
9.85
0.8
10.1
10.7
9.2
10
10
1.5
4
9.9
9.8
10.5
10.1
10.075
0.7
10.4
10.1
10.9
9.9
10.325
1
Total
50.35
4.8
n=4
k=5
R=(.2)4.80
x= (.2)50.43
R=
0.96
X =
10.09
For R Chart
For x Chart
|(04)R
(d3)R
X+ A2R
X- A2R
Control Limits
UCLr=
UCLX=
LCLF=
LCLX=
Control Limits
2.19
UCLX=
10.79
CLx=
LCLX=
CLr=
0.96
10.09
LCLF=
9.39
II
Transcribed Image Text:В E F H Sample Grams Mean Range 10.1 10.6 9.8 9.9 10.1 0.8 2 9.7 9.5 10.3 9.9 9.85 0.8 10.1 10.7 9.2 10 10 1.5 4 9.9 9.8 10.5 10.1 10.075 0.7 10.4 10.1 10.9 9.9 10.325 1 Total 50.35 4.8 n=4 k=5 R=(.2)4.80 x= (.2)50.43 R= 0.96 X = 10.09 For R Chart For x Chart |(04)R (d3)R X+ A2R X- A2R Control Limits UCLr= UCLX= LCLF= LCLX= Control Limits 2.19 UCLX= 10.79 CLx= LCLX= CLr= 0.96 10.09 LCLF= 9.39 II
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