Homework Help is Here – Start Your Trial Now!
Business
Operations Management
Processing times for new accounts at a bank are shown in the following table. Five samples of four observations each have been taken. Use the sample data in conjunction with the Table of Constants for Control Charts (provided) to construct upper and lower control limits for both a mean chart and a range chart. Do the results suggest that the process is in control? Total Sample 1 10.2 9.9 9.8 10.1 40.0 Sample 2 10.3 9.8 9.9 10.4 40.4 Sample 3 9.7 9.9 9.9 10.1 39.6 Sample 4 9.9 10.3 10.1 10.5 40.8 Sample 5 9.8 10.2 10.3 9.7 40.0

Processing times for new accounts at a bank are shown in the following table. Five samples of four observations each have been taken. Use the sample data in conjunction with the Table of Constants for Control Charts (provided) to construct upper and lower control limits for both a mean chart and a range chart. Do the results suggest that the process is in control? Total Sample 1 10.2 9.9 9.8 10.1 40.0 Sample 2 10.3 9.8 9.9 10.4 40.4 Sample 3 9.7 9.9 9.9 10.1 39.6 Sample 4 9.9 10.3 10.1 10.5 40.8 Sample 5 9.8 10.2 10.3 9.7 40.0

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
Processing times for new accounts at a bank are shown in the following table. Five samples of four observations each have been taken. Use the sample data in conjunction with the Table of Constants for Control Charts (provided) to construct upper and lower control limits for both a mean chart and a range chart. Do the results suggest that the process is in control? Total Sample 1 10.2 9.9 9.8 10.1 40.0 Sample 2 10.3 9.8 9.9 10.4 40.4 Sample 3 9.7 9.9 9.9 10.1 39.6 Sample 4 9.9 10.3 10.1 10.5 40.8 Sample 5 9.8 10.2 10.3 9.7 40.0
Transcribed Image Text:Processing times for new accounts at a bank are shown in the following table. Five samples of four observations each have been taken. Use the sample data in conjunction with the Table of Constants for Control Charts (provided) to construct upper and lower control limits for both a mean chart and a range chart. Do the results suggest that the process is in control? Total Sample 1 10.2 9.9 9.8 10.1 40.0 Sample 2 10.3 9.8 9.9 10.4 40.4 Sample 3 9.7 9.9 9.9 10.1 39.6 Sample 4 9.9 10.3 10.1 10.5 40.8 Sample 5 9.8 10.2 10.3 9.7 40.0
Institute of Quality & Reliability Subgroup size (n) 2 3 4 5 6 7 8 9 10 15 25 Table 8A - Variable Data X bar and R Charts Chart for Averages Control Limits Factor Tables of Constants for Control charts ref: AIAG manual for SPC X bar and s charts X bar and R Charts X bar and s Charts Chart for Ranges (R) A₂ d₂ 1.880 1.128 1.023 1.693 0.729 2.059 0.577 2.326 0.483 2.534 0.419 2.704 0.076 0.373 2.847 0.136 0.337 2.970 0.184 0.308 3.078 0.223 3.472 0.153 3.931 Divisors to Estimate Factors for Control Limits Ox = X D3 CLX = X CL S = S - - - Centerline CLx = CLR = R 0.223 0.347 0.459 Chart for Averages Chart for Standard Deviation (s) Divisors to Control Limits Factor D4 A3 3.267 2.659 2.574 1.954 2.282 1.628 2.114 1.427 2.004 1.287 1.924 1.864 1.816 1.777 1.653 1.541 estimate Factors for Control ox Limits C4 B4 0.7979 3.267 0.8862 2.568 0.9213 2.266 0.9400 2.089 0.9515 0.030 1.970 1.182 0.9594 0.118 1.882 1.099 0.9650 0.185 1.815 1.032 0.9693 0.239 1.761 0.975 0.9727 0.284 0.789 0.9823 0.428 0.606 0.9896 0.565 Control Limits UCL = UCLR=D&R UCL = X + A₂S UCL, = BAS =X+A₂R B3 LCL = X - A₂ R X LCLR = D₂R LCLX = X - A₂S LCL, = B35 1.716 1.572 1.435 6 x R d2 S C4
Transcribed Image Text:Institute of Quality & Reliability Subgroup size (n) 2 3 4 5 6 7 8 9 10 15 25 Table 8A - Variable Data X bar and R Charts Chart for Averages Control Limits Factor Tables of Constants for Control charts ref: AIAG manual for SPC X bar and s charts X bar and R Charts X bar and s Charts Chart for Ranges (R) A₂ d₂ 1.880 1.128 1.023 1.693 0.729 2.059 0.577 2.326 0.483 2.534 0.419 2.704 0.076 0.373 2.847 0.136 0.337 2.970 0.184 0.308 3.078 0.223 3.472 0.153 3.931 Divisors to Estimate Factors for Control Limits Ox = X D3 CLX = X CL S = S - - - Centerline CLx = CLR = R 0.223 0.347 0.459 Chart for Averages Chart for Standard Deviation (s) Divisors to Control Limits Factor D4 A3 3.267 2.659 2.574 1.954 2.282 1.628 2.114 1.427 2.004 1.287 1.924 1.864 1.816 1.777 1.653 1.541 estimate Factors for Control ox Limits C4 B4 0.7979 3.267 0.8862 2.568 0.9213 2.266 0.9400 2.089 0.9515 0.030 1.970 1.182 0.9594 0.118 1.882 1.099 0.9650 0.185 1.815 1.032 0.9693 0.239 1.761 0.975 0.9727 0.284 0.789 0.9823 0.428 0.606 0.9896 0.565 Control Limits UCL = UCLR=D&R UCL = X + A₂S UCL, = BAS =X+A₂R B3 LCL = X - A₂ R X LCLR = D₂R LCLX = X - A₂S LCL, = B35 1.716 1.572 1.435 6 x R d2 S C4
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 6 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