OPERATIONS MANAGEMENT CONNECT AC
14th Edition
ISBN: 9781264592784
Author: Stevenson
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 9, Problem 3P
Summary Introduction
To draw: The run chart based on the given information.
Introduction: Run-chart refers to the graph that would display the recorded data based on the time sequence. It would form a line chart.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Prepare a run diagram for this emergency call data. Use five-minute intervals (i.e., count the calls received in each five-
minute interval. Use intervals of 0-4, 5-9, etc.). Note: Two or more calls may occur in the same minute; there were
three operators on duty this night. What can you conclude from the run chart?
Call
Time
Call
Time
Call
Time
1
2
3
4
5
6
7
8
9
10
11
1:03
1:06
1:09
1:11
1:12
1:17
1:21
1:27
1:28
1:29
1:31
12
13
14
15
16
17
18
19
20
21
22
1:36
1:39
1:42
1:43
1:44
1:47
1:48
1:50
1:52
1:53
1:56
23
24
25
26
27
28
29
30
31
32
33
1:56
2:00
2:00
2:01
2:02
2:03
2:03
2:04
2:06
2:07
2:08
Call
34
35
36
37
38
39
40
41
42
Time
2:08
2:11
2:12
2:12
2:13
2:14
2:14
2:16
2:19
a. re-organize the above data for your analysis (using five-minute intervals; 0-4, 5-9, etc)
b. Provide your diagram that shows the number of emergency calls by eacn five-minute intervals from 1am to 2:20am
c. what can you conclude from the chart?
Prepare a run diagram for this emergency call data. Use five-minute intervals (i.e., count the calls received in each five-minute interval. Use intervals of 0 to 4, 5 to 9, etc.). Note: Two or more calls may occur in the same minute; there were three operators on duty this night. What can you conclude from the run chart?
8.
A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers:
SAMPLE
1
2
3
4
4.5
4.6
4.5
4.7
4.2
4.5
4.6
4.6
4.2
4.4
4.4
4.8
4.3
4.7
4.4
4.5
4.3
4.3
4.6
4.9
Select a chart to monitor the central tendency of the process, what are the 3-sigma control limits using a mean chart? Keep 3 decimal places.
Select one:
a.
LCL = 4.212, UCL = 4.788
b.
LCL = 4.414, UCL = 4.586
c.
LCL = 4.245, UCL = 4.755
d.
None of the other options.
e.
LCL = 4.385, UCL = 4.615
Chapter 9 Solutions
OPERATIONS MANAGEMENT CONNECT AC
Ch. 9 - Prob. 1DRQCh. 9 - Prob. 2DRQCh. 9 - Prob. 3DRQCh. 9 - Prob. 4DRQCh. 9 - Prob. 5DRQCh. 9 - Prob. 6DRQCh. 9 - Prob. 7DRQCh. 9 - Prob. 8DRQCh. 9 - Prob. 9DRQCh. 9 - Prob. 10DRQ
Ch. 9 - Prob. 11DRQCh. 9 - Prob. 12DRQCh. 9 - Prob. 13DRQCh. 9 - List the steps of problem solving.Ch. 9 - Prob. 15DRQCh. 9 - Prob. 16DRQCh. 9 - Prob. 17DRQCh. 9 - What trade-offs are involved in deciding on...Ch. 9 - Prob. 2TSCh. 9 - Prob. 3TSCh. 9 - Prob. 1CTECh. 9 - Prob. 2CTECh. 9 - Prob. 3CTECh. 9 - Prob. 4CTECh. 9 - Make a check sheet and then a Pareto diagram for...Ch. 9 - Prob. 2PCh. 9 - Prob. 3PCh. 9 - Prob. 4PCh. 9 - Prob. 5PCh. 9 - Prob. 6PCh. 9 - Prob. 7PCh. 9 - Prepare a scatter diagram for each of these data...Ch. 9 - Prepare a flowchart that describes going to the...Ch. 9 - Prob. 10PCh. 9 - The county sheriffs department responded to an...Ch. 9 - Prob. 12PCh. 9 - Prob. 1.1CQCh. 9 - Prob. 2.1CQ
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- How reliable is the result of work sampling activity in determining working time and idle time of the operator?arrow_forwardPlease confirm if I have answer these questions correctly and provide rationale if not the case. Thank you very much!arrow_forwardManagement of Mittel Rhein AG of Köln, Germany, would like to reduce the amount of time between when a customer places an order and when the order is shipped. For the first quarter of operations during the current year the following data were reported: Inspection time- 0.7 daysWait time (from order to start of production) -16.6 daysProcess time -2.7 daysMove time -1.3 daysQueue time- 4.5 daysRequired:1. Compute the throughput time. (Round your answer to 1 decimal place.) 2. Compute the manufacturing cycle efficiency (MCE) for the quarter. (Round your answer to the nearest whole percentage (i.e., 0.12 should be entered as 12).) 3. What percentage of the throughput time was spent in non–value-added activities? (Round your answer to the nearest whole percentage (i.e., 0.12 should be entered as 12).) 4. Compute the delivery cycle time. (Round your intermediate calculations and final answer to 1 decimal place.) 5. If by using Lean Production all queue…arrow_forward
- ces Inter-State Moving and Storage Company wishes to establish a control chart to monitor the proportion of residential moves that result in written complaints due to late delivery, lost items, or damaged items. A sample of 50 moves is selected for each of the last 12 months. The number of written complaints in each sample is 8, 7, 4, 8, 2, 7, 11, 6, 7, 6, 8, and 12. Click here for the Excel Data File a. Insert the mean proportion defective, UCL, and LCL (Leave no cells blank - be certain to enter "0" wherever required. Round your intermediate calculations and final answers to 2 decimal places.) Mean proportion defective UCL LCL c. Does it appear that the number of complaints is out of control for any of the months? Yes ONOarrow_forwardCreate a covid-19 vaccinatiom process flow using cross-functional flowchart (selection, sequencial, and repetition) The expected output is, covid-19 vaccination flow diagram.arrow_forwardwhat are the other dimensions of performanbce measurements in the service industryarrow_forward
- please answer within 30 minutes.arrow_forwardYour twenty observations of Dr. Knowitall reveal the following information. Assume that the estimate is to be within 5 percent of the true proportion 96 percent of the time Activity Observed Number of Times Observed With patient 6 Reviewing test results 5 On phone 5 Idle 3 Away on emergency 1 Not available 1 Total 21 Calculate the sample size needed to estimate the proportion of time Dr. Knowitall spends away on emergencies.arrow_forward6. A production manager at a pottery factory has noticed that about 70 percent of defects result from impurities in raw materials, 15 percent result from human error, 10 percent from machine malfunctions, and 5 percent from a variety of other causes. This manager is most likely using: Select one: a. histogram b. scatter diagram c. Pareto chart d. flowchart e. cause-and-effect diagramarrow_forward
- Use the DMAIC steps to describe and improve the process of ordering a book from an Internet retailer. From the perspective of the retailer, what would be done in each of the steps?arrow_forwardTime left 1:08:00 A can filling process at a beverage manufacturing factory is assumed to be in control with limits of 84 +3 had sample averages for the x-bar chart of the following: 87.1,87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct? O a. Process mean is out-of-control O b. Not enough information to determine O c. Process mean is in-control O d. None is correct NEXT PAGE AGE o 日自 nere to searcharrow_forwardExplain what are the other ways they can interpret a process other than a process map?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,Operations ManagementOperations ManagementISBN:9781259667473Author:William J StevensonPublisher:McGraw-Hill EducationOperations and Supply Chain Management (Mcgraw-hi...Operations ManagementISBN:9781259666100Author:F. Robert Jacobs, Richard B ChasePublisher:McGraw-Hill Education
- Purchasing and Supply Chain ManagementOperations ManagementISBN:9781285869681Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. PattersonPublisher:Cengage LearningProduction and Operations Analysis, Seventh Editi...Operations ManagementISBN:9781478623069Author:Steven Nahmias, Tava Lennon OlsenPublisher:Waveland Press, Inc.
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
Operations Management
Operations Management
ISBN:9781259667473
Author:William J Stevenson
Publisher:McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi...
Operations Management
ISBN:9781259666100
Author:F. Robert Jacobs, Richard B Chase
Publisher:McGraw-Hill Education
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...
Operations Management
ISBN:9781478623069
Author:Steven Nahmias, Tava Lennon Olsen
Publisher:Waveland Press, Inc.