Homework Help is Here – Start Your Trial Now!
Business
Operations Management
Your​ supervisor, Lisa​ Lehmann, has asked that you report on the output of a machine on the factory floor. This machine is supposed to be producing optical lenses with a mean weight of 50 grams and a range of 3.5 grams. The following table contains the data for a sample size of n=6 taken during the past 3​ hours:                                                                                                                                                            Sample 1 2 3 4 5 6 7 8 9 10 x 55 47 49 50 52 57 55 48 51 56 R 3 1 5 3 2 6 3 2 2 3 Part 2 Set the control limits for this process for the x​-chart when the machine is working properly. UCL-x =  _______? grams (round to two decimal places) LCL-x = ________? grams (round to two decimal places) B) Set the control limits for this process for the R-chart. UCLr = ________? grams (round to two decimal places) LCLr = _________? grams (round to two decimal places)

Your​ supervisor, Lisa​ Lehmann, has asked that you report on the output of a machine on the factory floor. This machine is supposed to be producing optical lenses with a mean weight of 50 grams and a range of 3.5 grams. The following table contains the data for a sample size of n=6 taken during the past 3​ hours:                                                                                                                                                            Sample 1 2 3 4 5 6 7 8 9 10 x 55 47 49 50 52 57 55 48 51 56 R 3 1 5 3 2 6 3 2 2 3 Part 2 Set the control limits for this process for the x​-chart when the machine is working properly. UCL-x =  _______? grams (round to two decimal places) LCL-x = ________? grams (round to two decimal places) B) Set the control limits for this process for the R-chart. UCLr = ________? grams (round to two decimal places) LCLr = _________? grams (round to two decimal places)

Practical Management Science
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...
See similar textbooks
icon
Related questions
Question

8. 

Question content area

Part 1
Refer to the table
Factors for Computing Control Chart Limits (3 sigma)
LOADING...
for this problem.
 
Your​ supervisor, Lisa​ Lehmann, has asked that you report on the output of a machine on the factory floor. This machine is supposed to be producing optical lenses with a mean weight of 50 grams and a range of 3.5 grams. The following table contains the data for a sample size of
n=6
taken during the past 3​ hours:
                                                                                                                                                          
Sample
1
2
3
4
5
6
7
8
9
10
x
55
47
49
50
52
57
55
48
51
56
R
3
1
5
3
2
6
3
2
2
3
Part 2
Set the control limits for this process for the
x​-chart
when the machine is working properly.

UCL-x =  _______? grams (round to two decimal places)

LCL-x = ________? grams (round to two decimal places)

B) Set the control limits for this process for the R-chart.

UCLr = ________? grams (round to two decimal places)

LCLr = _________? grams (round to two decimal places)

Data Table Sample Size, n 2 3 4 5 6 7 8 9 10 12 Mean Factor, A₂ 1.880 1.023 0 729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, DA 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1 777 1 716 A Lower Range, D3 0 0 0 0 0 0.076 0 136 0.184 0.223 0.284
Transcribed Image Text:Data Table Sample Size, n 2 3 4 5 6 7 8 9 10 12 Mean Factor, A₂ 1.880 1.023 0 729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, DA 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1 777 1 716 A Lower Range, D3 0 0 0 0 0 0.076 0 136 0.184 0.223 0.284
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Practical Management Science
Practical Management Science
Operations Management
ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,
Operations Management
Operations Management
Operations Management
ISBN:
9781259667473
Author:
William J Stevenson
Publisher:
McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi…
Operations and Supply Chain Management (Mcgraw-hi…
Operations Management
ISBN:
9781259666100
Author:
F. Robert Jacobs, Richard B Chase
Publisher:
McGraw-Hill Education
Business in Action
Business in Action
Operations Management
ISBN:
9780135198100
Author:
BOVEE
Publisher:
PEARSON CO
Purchasing and Supply Chain Management
Purchasing and Supply Chain Management
Operations Management
ISBN:
9781285869681
Author:
Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:
Cengage Learning
Production and Operations Analysis, Seventh Editi…
Production and Operations Analysis, Seventh Editi…
Operations Management
ISBN:
9781478623069
Author:
Steven Nahmias, Tava Lennon Olsen
Publisher:
Waveland Press, Inc.
SEE MORE TEXTBOOKS