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Management Leadership
Forecasts are generally wrong.a. Why are forecasts generally wrong?b. Explain the term "wrong" as it pertains to a good forecast.
In wintry conditions, highway safety is improved by treating road surfaces with substances that will provide traction and/or melt snow and ice. Sand and rock salt are two widely used substances.
A few days before the end of the term of a two-year NDA (nondisclosure agreement) he signed with a startup company related to a possible patent, Frank interviewed with another startup and divulged
Define the term reliability.
What is the chief role of the operations manager?
Explain the term bounded rationality.
What information is contained in a payoff table?
a. Determine the placement of departments for a newly designed facility that will minimize total transportation costs using the data in the following tables. Assume that reverse distances are the
Explain briefly how techniques described in this chapter could be used to improve operations. Be specific about which techniques could be used, how they could be used, and why you think those
Identify an unethical action that involves the learning rate and the ethical principle it violates.
List the kinds of factors that create the learning effect.
Name some areas in which learning curves are useful.
Explain the plan-do-study-act cycle. Discuss.
Many product reviews are available on the Internet. Two examples are reviews on electronics products such as DVD players and high-definition televisions. There are often both positive and negative
Prepare a scatter diagram for each of these data sets and then express in words the apparent relationship between the two variables. Put the first variable on the horizontal axis and the second
Use the three-step process described in the previous section on Using Control Charts and Runs Tests Together to decide if the following observations represent a process that is in control.
What are the primary advantages and limitations of informal graphic and charting techniques for aggregate planning?
Dundas Bike Components Inc. of Wheelville, Illinois, manufactures bicycle wheels in two different sizes for the Big Bike Co. assembly plant located across town. David Dundas, the firm's
Nowjuice, Inc., produces Shakewell® fruit juice. A planner has developed an aggregate forecast for demand (in cases) for the next six months.Use the following information to develop aggregate
a. Given the following diagram for a product, determine the quantity of each component required to assemble one unit of the finished product.b. Draw a tree diagram for a stapler given the following
Assume that you are the manager of Assembly, Inc. You have just received an order for 40 units of an industrial robot, which is to be delivered at the start of week 7 of your schedule. Using the
A firm that produces electric golf carts has just received an order for 200 carts, which must be ready for delivery at the start of week 8. Information concerning the product structure, lead times,
Using the accompanying diagram, do the following:a. Draw a tree diagram for the scissors.b. Prepare an MRP plan for scissors. Lead times are one day for each component and final scissor assembly, but
A company that manufactures paving material for driveways and parking lots expects the following demand for its product for the next four weeks.The company's labor and machine standards and available
A company produces two very similar products that go through a three-step sequence of fabrication, assembly, and packaging. Each step requires one day for a lot to be completely processed and moved
The MRP Department has a problem. Its computer "died" just as it spit out the following information: Planned order release for item J27 = 640 units in week 2. The firm has been able to reconstruct
a. One hundred twenty units of end item Z are needed at the beginning of week 7. Prepare a material requirements plan for component C. Take into account that on hand there are 40 units of Z, 70 units
After the dot-com business he tried to start folded, David "Marty" Dawkins decided to pursue his boyhood dream of owning a bike factory. After several false starts, he finally got the small company
What is the goal of a maintenance program?
What are three different ways preventive maintenance is scheduled?
Explain the term makespan.
What are the main decision areas of job-shop scheduling?
What problems not generally found in manufacturing systems do service systems present in terms of scheduling the use of resources?
Prepare a brief report for Dr. Starr that covers the items noted.Southwestern University (SWU), a large state college in Stephenville, Texas, 30 miles southwest of the Dallas/Fort Worth metroplex,
1. Using a decision tree based on maximizing expected profit, decide which machine Toledo Leather should select. Should overtime be scheduled? Or should a machine be modified and, if so, under what
The operations manager of a musical instrument distributor feels that demand for a particular type of guitar may be related to the number of YouTube views for a music video by the popular rock group
Using computer software, find the least-squares regression line for the data in Problem 4-10. Based on the F test, is there a statistically significant relationship between the demand for guitars and
Steve Caples, a real estate appraiser in Lake Charles, Louisiana, has developed a regression model to help appraise residential housing in the Lake Charles area. The model was developed using
Annual rainfall plays an important role in corn agriculture. The drought of 2011 literally affected corn prices for years. Given the following data, build a model and predict the harvest for 2016
Prepare Peg Jones's response to Stephen Ruth.In January 2012, Northern Airlines merged with Southeast Airlines to create the fourth largest U.S. carrier. The new North-South Airline inherited both an
Sales of vacuum cleaners over the past 13 months were as follows:(a) Using a moving average with three periods, predict the demand for vacuum cleaners for next February.(b) Using a three-period
The following table provides the Dow Jones Industrial Average (DJIA) opening index value on the first working day of 1994-2013. Develop a trend line and use it to predict the opening DJIA index value
Using the DJIA data in Problem 5-41 and exponential smoothing with trend adjustment, forecast the opening DJIA value for 2014. Use a = 0.8 and b = 0.2. Compare the MSE for this technique with the MSE
Refer to the DJIA data in Problem 5-41.(a) Use an exponential smoothing model with a smoothing constant of 0.4 to predict the opening DJIA index value for 2014. Find the MSE for this.(b) Use QM for
The following table gives the average monthly exchange rate between the U.S. dollar and the euro for 2009. It shows that 1 euro was equivalent to 1.289 U.S. dollars in January 2009. Develop a trend
1. Develop a forecasting model, justify its selection over other techniques, and project attendance through 2015.2. What revenues are to be expected in 2014 and 2015?3. Discuss the school's
Annual demand for the Dobbs model airplane kit is 80,000 units. Albert Dobbs, president of Dobbs' Terrific Toys, controls one of the largest toy companies in Nevada. He estimates that the ordering
Douglas Boats is a supplier of boating equipment for the states of Oregon and Washington. It sells 5,000 White Marine WM-4 diesel engines every year. These engines are shipped to Douglas in a
How do the three types of integer programming problems differ? Which do you think is most common and why?
A marketing firm is developing a new Web-based media campaign for a client. The following table describes the relationships among the activities that need to be completed.(a) Develop a project
The Laurenster Corporation is getting into the construction business. A list of activities and their optimistic, most likely, and pessimistic completion times are given in the following table for the
The Laurenster Corporation needs to set up an assembly line to produce a new product. The following table describes the relationships among the activities that need to be completed for this product
Fetterolf's Barber Shop is a popular haircutting place near the campus of Penn State. Four barbers work full-time and spend an average of 15 minutes on each customer. Customers arrive all day long,
Mr. Fetterolf is considering changing the queuing characteristics of his shop. Instead of selecting a number for the first available barber, a customer will be able to select which barber he or she
Coleman Tucker, a neurology intern at Morgantown University (MU), has been having problems balancing his checkbook. His monthly income is derived from a graduate research assistantship; however, he
Brenda's Bicycle and Surfboard Rentals leases quad-bikes each day from a supplier and rents them to customers who use them along Seawall Boulevard in Galveston, Texas. Each day, Brenda leases 30
Find the inverse of each of the following matrices:(a)(b)(c)(d)
Cybersecurity is an area of increasing concern. The National Security Agency (NSA) monitors the number of hits at sensitive websites. When the number of hits is much larger than normal, there is
V. S. Industries in Parkersburg, West Virginia, is a small manufacturer of military-grade hybrid microcircuits. One of the many quality assurance procedures required by Military Standard 883 (MILSTD
Explain the difference between c-charts and p-charts.
What is demand management? Discuss.
Where do ethical and sustainable sourcing policies come from, in an organization? Discuss.
Are manufacturing or purchasing lead times considered in the MPS and the MRP? Discuss.
What advantages do company-designed supplier certification programs have over industry certifications like ISO 9000? Discuss.
What is supply base rationalization, and what are its advantages and disadvantages?
Is transportation in the U.S. regulated today, or deregulated? Why? Discuss.
What are the similarities and differences in capabilities of SRM software offered by ecVision, JDA, Oracle, and SAP? Discuss.
Do companies outsource for ethical or sustainable reasons? If so, provide some examples. Discuss.
Reducing lot sizes and increasing setups are common practices in most lean production settings. Why? Discuss.
Is your university a pure service? Explain. Discuss.
Why are lean systems also known as pull systems?
Why is it important to learn the fundamentals of the traditional MRP system, even if it is considered an outdated, legacy system? Discuss.
How can you create performance measures for an entire supply chain? Discuss.
What is a common method for developing second-tier suppliers? Discuss.
What are the six process categories of the SCOR model and which one do you think is most important? Discuss.
Which model do you think is best suited to measure supply chain performance--the Balanced Scorecard or the SCOR? Why?
Why has it been so difficult for transportation companies to make profits lately? Discuss.
What is the purpose of low-level coding? Discuss.
What sort of demand management techniques would an exclusive restaurant use when demand exceeds their capacity? What about McDonalds? Discuss.
Do you think customer service has improved over the years for retailers? Cite some examples. Discuss.
What are the five sources of cost advantage? Discuss.
Which of the five major sources of cost advantage contributed to the Tata Nano being the world's least expensive car? Discuss.
What are the four major categories or sources of product differentiation? Discuss.
What are two processes companies can use to search for differentiation opportunities? Discuss.
What is customer segmentation? Describe three different ways that customer segmentation can be done. Discuss.
Define a differentiation strategy. Discuss.
Apple is primarily an electronics company, creating products for business and consumer markets. Apple also operates its own chain of retail outlets. In terms of Richard Rumelt's categories of the
What is a strategic alliance? Discuss.
What are four primary ways in which firms create value through strategic alliances? Discuss.
What are the five main reasons firms expand into international markets? Discuss.
How do companies create an innovative strategy by eliminating steps in the value chain? Discuss.
How would you describe/define strategy? Discuss.
What are four behaviors of business innovators that help them generate ideas for innovative strategies? Discuss.
Why do firms in an oligopolistic environment often hesitate to make moves that will take them outside of the status quo? Discuss.
What strategies are most likely to be useful for firms in "perfectly" competitive markets? Discuss.
What types of strategies are most useful for firms operating in dynamic markets? Discuss.
Name two frameworks for understanding the competitive landscape. Discuss.
What are the three types of market structures? Discuss.
What are the strategies most likely to be useful for a monopolist? Discuss.
What are the strategies most likely to be useful for an oligopolist? Discuss.
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