Questions and Answers of Supply Chain Management 2nd

What is statistical process control?
Cost-containment activities have become particularly important to hospital operations managers, stimulated by major revisions in health care reimbursement policies and significant growth in marketing
Caroline Highgrove, Hardy Hospital’s director of materials management, glanced at the papers spread across her desk. She wondered where the week had gone. On Monday, the director of university
What is supply chain management? How does it differ from logistics?.
What is vendor-managed inventory?
Keto Grocery Store sells 400 gallons of milk each month. The average on-hand inventory is 50 gallons.What is the inventory turnover? What does it mean?
Based on the following information, how many days of supply of inventory is the firm holding (assume 250 days of operation per year)? Interpret your answer if the industry average inventory days’
Research and write a short paper (two pages maximum) describing how organizations use aggregate planning options in Exhibit 14.3. EXHIBIT 14.3 Example Aggregate Planning Variables and Revenue/Cost
The forecast demand for fudge for the next four months is 120, 160, 20, and 70 pounds.a. What is the recommended production rate if a level strategy is adopted with no backorders or stock outs? What
Given the bill of material in Exhibit 14.31, if the gross requirements to build 250 units and an on-hand inventory for A of 40 units, what are the net requirements for all items? All component parts
Consider the master production schedule, BOM shown in Exhibit 14.33, and inventory data shown below. Complete the MPS and MRP explosion and identify what actions, if any, you would take given this
The Westerbeck Company manufactures several models of automatic washers and dryers. The projected requirements over the next year for their washers are shown in the table below.Current inventory is
What are the advantages and disadvantages of the SPT and EDD sequencing rules?
What is dispatching? Explain how priority dispatching rules are used.
Discuss scheduling and sequencing issues in municipal services such as garbage collection, school-bus routing, or snowplowing. What types of criteria and approaches might be used?
Explain why appointments are necessary for many professional services. (Hint: How do services differ from goods as described in Chapter 1?) List and explain some key issues and decisions that must be
These six jobs are to be scheduled on a single machine:a. Suppose the jobs are processed in FCFS numerical order. Compute the makespan, flow time for each job, and overall average flow time.b. In
A manufacturing process involving machined components consists of two operations done on two different machines. The status of the queue at the beginning of a particular week is as follows:The
An insurance claims work area has five claims waiting for processing as follows:Use the Excel Sequencing template to find the average flowtime, average and maximum tardiness, and average lateness for
Eight jobs have arrived in the following order:Find and compare the performance measures for the following sequencing rules using the Excel Sequencing template:a. Process in the order they have
An attorney’s office operates with a single copier.At the beginning of a particular day the following jobs are waiting for processing. All jobs must be distributed to clients or in court by 9:00
What is quality control? Why is it necessary in any organization?
What is the 1:10:100 Rule? Why is it important for managers to understand?
Develop a “personal quality checklist” on which you tally nonconformances in your personal life(being late for work or school, not completing homework on time, not getting enough exercise, and so
Hospital administrators wanted to understand and better control the waiting time of patients in the emergency department (ED). To do this, they constructed x –-chart and R-charts by sampling the
Suppose that you were monitoring the time it takes to complete order transactions at a call center.Discuss what might cause such out-of-control conditions as a trend, shift in the mean, or cycles in
Bill & Becky Travel, Inc. is a full service travel agency. Data in the worksheet C17 P27 Data in MindTap shows results for the question “Would you recommend us to a friend?” from 200 customers
Twenty-five samples of size 5 resulted in an overall mean of 5.42 and an average range of
Compute control limits for x- and R-charts.
Thirty samples of size 4 of the customer waiting time at a call center for a health insurance company resulted in an overall mean of 14.7 minutes and average range of 0.9 minutes. Compute the control
Find control limits for a c-chart with c 5 9.
Thirty samples of size 3, available in the worksheet C17 Excel P40 Data in MindTap were taken from a machining process over a 15-hour period. Construct control charts using the Excel template
Choose one of the lean tools and approaches from Section 18-2 and research and write a short paper (two pages maximum) on how organizations use this tool, and provide specific examples.
A Florida lottery machine and printer at Store #8302 operates 360 days a year. If the machine does not work and breaks down, it costs the Florida Lottery Commission $2,000 per day. If store employees
A plastic injection molding machine operates 348 days a year. It is the bottleneck workstation in a process that produces plastic housed wall clocks.Industrial engineers collected data on the
Define and give an example of an immediate predecessor.
Construct a project network for the activities listed below. Do not attempt to perform any further analysis. Activity A B C D EFCH E G H Immediate Predecessors A A, B C,D C, D E F
You are in charge of the advertising program for the Boston Red Sox baseball team during their spring training season in Fort Myers, Florida. You have defined the advertising program as a project
Mary is planning her wedding and develops the following preliminary information.a. Draw the network for this project.b. Identify the critical path(s)?c. What is the project completion time?d.
A computer-system installation project consists of eight activities. The immediate predecessors and activity times in weeks are shown below.a. Draw the network for this project.b. Identify the
Colonial State College is considering building a new athletic complex on campus. The complex would provide a new gymnasium for intercollegiate basketball games, expanded office space, classrooms, and
Office Automation, Inc. has developed a proposal for introducing a new computerized office system that will improve word processing and interoffice communications for a particular company.Contained
LCD Software must complete the project defined by the following network in 22 weeks. The expected times and the activity variances are shown in the table below.a. Find the critical path(s) and
Use the Excel template Gantt Chart to develop a Gantt chart for the early start schedule for the wedding project in problem 36. Explain and trace the project’s critical path(s).
Use the Excel template Gantt Chart to construct a Gantt chart for the early-start schedule found in problem 41, Rozales Manufacturing Co. Explain and trace the project’s critical path(s).
I’m going to Bookmaster to buy a book,” Luke Chris yelled as he walked out of his apartment. “I’ll be back in about ninety minutes,” he continued as his roommate lay on the sofa after a
Whew, I’m glad the town hall meeting is over. The audience was hostile!” Tom Bourbon commented as he was escorted by a police officer to his car in the high school parking lot. The officer
What is a process map? How is it used in process design?
What are the advantages of clearly defining the process boundaries?
What is the value stream? How does a value stream map differ from an ordinary process map?
Describe how to apply process and value stream mapping for process design.
What type of process—project, job shop, flow shop, and continuous flow—would most likely be used to produce the following? Explain your reasoning.a. Personal computersb. Weddingsc. Paperd. Paper
What type of process—project, job shop, flow shop, and continuous flow—would most likely be used to produce the following?a. Gasolineb. Air-conditionersc. Specialized machine toolsd. Shipse.
What sustainability issues are present in the example restaurant order fulfillment process example (Exhibits 7.6 and 7.7)? What other restaurant processes need to include sustainability criteria in
Develop a value stream map for the process you flowcharted in question 27 to identify the valueadded and non-value-added activities. How can you estimate costs and/or revenue for the process
Carbon dioxide emissions associated with a onenight stay in a hotel room are calculated at 29.53 kg of CO2 per room day for an average hotel. The 200 rooms of your hotel are all occupied for two days
A JetAir 304 airplane emits 22 kilograms of carbon dioxide per hour while flying. Today, the plane flew for 8.2 hours on six flights. This emission rate doesn’t include the time on the ground
On Clear Water Pool Service (CWPS), CWPS replaced a fleet of pool service vans with hybrid/electric- and gasoline-driven systems. This reduced the number of gallons of gasoline used to 6,000 gallons
Given the information in problem 34, what do you recommend if Worthington Machining can buy folded metal panels of identical size at a price of $27.25 per panel?Problem 34 Worthington Machining must
The police department of a major city needs a faster process to do criminal background checks.They eliminated several vendors and their products because they required too much retraining and major
Dot’s Restaurant must decide between two technology processes in their kitchen. They only serve dinner after 4 p.m. on a small island called Sanibel. The restaurant is open 250 days per year. Dot
Refer to Exhibit 7.7, the restaurant value stream map, and recompute the total value-added and non-value-added time and cost given the following new information. If a restaurant uses iPads to place
Samoset Fans, Inc. manufacturers its fan blades in-house. The owner, Betty Dice, doesn’t outsource any fan parts except fan motors—all other fans parts are made in-house. Their current process
Rework computational problem 34 (Worthington Machining) using the Break-Even Excel template in MindTap to answer the following questions:a. What is the break-even quantity between these two
Rework computational problem 36 (college textbook publisher) using the Break-Even template in MindTap and answer the following questions:a. What is the break-even quantity for this book?b. If the
An automated car wash called Jet Express outside a large Texas city on the beltway is deciding whether to build and install one dedicated vehicle wash line or have two parallel wash lines. There are
The deli at a Metro Supermarket experiences constant and continuous demand. Staffing is a problem for store managers but several of the employees suggested they buy more deli cutting machines and
Lilly Hillcrest started a custom drapery business in Naples, Florida in 2014. Her market segment is for owners of homes over one million dollars. Her prices are high, but the customer receives
The Hickory Medical Clinic recently conducted a patient satisfaction survey. Using a scale of 1–5, with 1 being “very dissatisfied” and 5 being “very satisfied,” the clinic compiled a check
What are the advantages and disadvantages of each of the major types of layout patterns? Provide one example of each type of layout for goods-producing and service-providing firms.
What is the role of ergonomics in job design? What factors do you think are the most important?
An assembly line with 30 activities is to be balanced.The total amount of time to complete all 30 activities is 60 minutes. The longest activity takes 2.4 minutes and the shortest takes 0.3
In problem 37, suppose the line is balanced using 14 workstations and a finished product can be produced every 4.5 minutes.a. What is the production rate in units per day?b. What is the assembly line
A small assembly line for the assembly of power steering pumps needs to be balanced. Exhibit 8.14 is the precedence diagram. The cycle time is determined to be 1.5 minutes. How would the line be
For the assembly line described in problem 39, how would the line be balanced by choosing the assignable task having the shortest task time first?Problem 39A small assembly line for the assembly of
To make one particular model of a personal digital assistant (PDA) on an assembly line, the work content is defined by the ten tasks below.a. Draw the precedence diagram for this assembly line.b.
The Florida Appliance Company is installing an assembly line to produce vacuum cleaners, and you, as an operations manager, are responsible for balancing the line. The tasks to be performed are
“He filed a lawsuit against us, Luke,” stated Mike Verssa, the Vice President of Operations for the State Human Resources Commission (SHRC). “Luke, you are his manager. What happened? He claims
“Del, every wire transfer request is processed firstcome-first-served. Some of these wires are for millions of dollars, while others are under $100,” said Betty Kelly, a 28-year-old manager of
The Hudson Jewelers case study available in MindTap integrates material found in each chapter of this book.Case Question for Discussion:1. Design and draw the layout for your high-end jewelry store.
How is forecasting used throughout the value chain?
What is a time series? Explain the four characteristics that time series may exhibit and provide some practical examples.
Explain the importance of selecting the proper planning horizon in forecasting.
Define forecast error. Explain how to calculate the three common measures of forecast accuracy.
Explain how to determine the number of data values (k) in a moving average forecast.
Explain the role of judgment in forecasting.
Compute MSE, MAD, and MAPE (Equations 9.1 to 9.3) for the following customer satisfaction data: Month 1 SAWN 2 3 4 5 Customer Satisfaction Score Forecast 88.4 87.2 90.1 92.7 91.5 84.0 86.6 89.1 88.7
ProScript sells writing software that edits and proofs manuscripts. The last six months of data are shown below:Compute MSE, MAD, and MAPE (Equations 9.1 to 9.3) for these data. Month 16 17 18 19 20
A manufacturer uses a moving average to predict how many replacement parts for Part #8119 they should produce per month. Past demand is as follows:What are the forecasts for month seven using two-,
For the coffee maker sales, use the Exponential Smoothing Excel template with a = 0.2 to compute the exponential smoothing forecasts for February through July.
Forecasts and actual sales of digital music players at Just Say Music are as follows:a. Plot the data on a spreadsheet and provide insights about the time series.b. What is the forecast for November,
For the actual sales data at Just Say Music in problem 36, find the best single exponential smoothing model by evaluating the MSE for a from 0.1 to 0.9, in increments of 0.1. How does this model
To plan factory staffing levels, Luke’s Surfboards, needs to forecast sales for the next two quarters.Sales of surfboards for the last five years are shown below in millions of dollars. These data
A restaurant wants to forecast its weekly sales.Historical data (in dollars) for fifteen weeks are shown below and can be found in the Excel worksheet C9 Excel P39 Data in MindTap. Use Excel and the
Consider the quarterly sales data for Kilbourne Health Club shown below.These data are available in a simpler format in the Excel worksheet C9 Excel P41 in MindTap.a. Use the Moving Average Excel
The historical demand for the Panasonic Model 304 Pencil Sharpener is January, 80; February, 100;March, 60; April, 80; and May, 90 units.a. Using a four-month moving average and the Moving Average
Two experienced managers are resisting the introduction of a computerized exponential smoothing system, claiming that their judgmental forecasts are much better than any computer could do.Their past
United Dairies, Inc. supplies milk to independent grocers in Collier County, Florida. Milk is perishable so forecast accuracy is critical in predicting the number of gallons of milk sold per month.
“Hello, is this the investment management help desk?” said a tired voice on the other end of the telephone line at 7:42 a.m. “Yes, how can I help you?” said Thomas Bourbon, customer service
The Hudson Jewelers case study found in MindTap integrates material found in each chapter of the book.Case Question for Discussion:1. The worksheet Hudson Jeweler Demand Case Data in MindTap provides

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