Solutions for Operations Management
Problem 1DRQ:
What are the main advantage that quantitative techniques for forecasting have over qualitative...Problem 3DRQ:
List the specific weaknesses of each of these approaches to developing a forecast a. Consumer...Problem 4DRQ:
Forecasts are generally wrong a. Why are forecasts generally wrong? b. Explain the term wrong as it...Problem 6DRQ:
What factors would you consider in deciding whether to use wide or narrow control limits for...Problem 7DRQ:
Contrast the use of MAD and MSE in evaluating forecasts.Problem 8DRQ:
What advantages as a forecasting tool does exponential smoothing have over moving averages?Problem 9DRQ:
How does the number of periods in a moving average affect the responsiveness of the forecast?Problem 10DRQ:
What factors enter into the choice of a value for the smoothing constant in exponential smoothing?Problem 12DRQ:
Explain how using a centered moving average with a length equal to the length of a season eliminates...Problem 13DRQ:
Contrast the terms sales and demand.Problem 14DRQ:
Contrast the reactive and proactive approaches to forecasting. Give several examples of types of...Problem 15DRQ:
Explain how flexibility in production systems relates to the forecast horizon and forecast accuracy.Problem 16DRQ:
How is forecasting in the context of a supply chain different from forecasting for just a tingle...Problem 19DRQ:
Choose the type of forecasting technique (survey, Delphi, averaging, seasonal, naive, trend, or...Problem 1TS:
Explain the trade-off between responsiveness and stability in a forecasting system that uses...Problem 2TS:
Who needs to be involved in preparing forecasts?Problem 3TS:
How has technology had an impact on forecasting?Problem 1CTE:
It has been said that forecasting using exponential smoothing is like driving a car by looking in...Problem 3CTE:
When a new business is started, or a patent idea needs funding, venture capitalists or investment...Problem 4CTE:
Discuss how you would manage a poor forecast.Problem 5CTE:
Omar has beard from some of his customers that they will probably cut back on order sizes in the...Problem 6CTE:
Give three examples of unethical conduct involving forecasting and the ethical principle each...Problem 1P:
A commercial baker, has recorded sales (in dozens) for three products, shown as follows: a. Predict...Problem 2P:
National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period...Problem 3P:
A dry cleaner uses exponential smoothing to forecast equipment usage at its main plant. August usage...Problem 4P:
An electrical contractors records during the last five weeks indicate the number of job requests:...Problem 5P:
A cosmetics manufacturer s marketing department has developed a linear trend equation that can be...Problem 7P:
Freight car loadings ova a 12-year period at a busy port are as follows. a. Determine a linear trend...Problem 8P:
Air travel on Mountain Airline for the past 18 weeks was: a. Explain why an averaging technique...Problem 9P:
a. Obtain the linear trend equation for the following data on new checking accounts at Fair Savings...Problem 10P:
After plotting demand for four periods, an emergency room manager has concluded that a...Problem 11P:
A manager of a store that sells and installs spas wants to prepare a forecast for January, February,...Problem 12P:
The following equation summarizes the trend portion of quarterly sales of condominiums over a long...Problem 14P:
A tourist center is open on weekends (Friday, Saturday, and Sunday). The owner-manager hopes to...Problem 15P:
The manager of a fashionable restaurant open Wednesday through Saturday say that the restaurant does...Problem 16P:
Obtain estimates of daily relatives for the number of customers at a restaurant for the evening...Problem 17P:
A pharmacist has been monitoring sales of 2 certain over-the-counter pain reliever. Daily sales...Problem 18P:
New car sales for a dealer in Cook County, Illinois, for the past year are shown in the following...Problem 19P:
The following table shows a tool and die companys quarterly sales for the current year. What sales...Problem 20P:
An analyst must decide between two different forecasting techniques for weekly sales of roller...Problem 21P:
Two different forecasting techniques (F1 and F2) were used to forecast demand fern cases of bottled...Problem 22P:
Two independent methods of forecasting based on judgment and expenence have been prepared each month...Problem 23P:
Long-Life Insurance has developed a linear model that it uses to determine the amount of term life...Problem 24P:
Timely Transport provides local delivery service for a number of downtown and suburban businesses....Problem 25P:
The manager of a seafood restaurant was asked to establish a pricing policy on lobster dinners....Problem 26P:
The following data were collected during a study of consumer buying patterns: 1. Plot the data. 2....Problem 27P:
Lovely Lawns Inc., intends to use sales of lawn fertilizer to predict lawn mower sales. The store...Problem 28P:
The manager of a travel agency has been using a seasonally adjusted forecast to predict demand for...Problem 29P:
Refer to the data in problem 22 a. Compute a tracking signal for the 10th month for each forecast...Problem 30P:
The classified department of a monthly magazine has used a combination of quantitative and...Problem 31P:
A textbook publishing company has compiled data on total annual sales of its business texts for the...Problem 32P:
A manager has just receded an valuation from an analyst on two potential forecasting alternatives....Problem 33P:
A manager uses this equation to predict demand for landscaping services Ft = 10 + 5t. Over the past...Problem 34P:
A manager uses a trend equation plus quarterly relative to predict demand Quarter relatives are SR1...Problem 1.1CQ:
ML MANUFACTURING ML Manufacturing makes various components for printers and copiers. In addition to...Browse All Chapters of This Textbook
Chapter 1 - Introduction To Operations ManagementChapter 1.6 - The Scope Of Operations ManagementChapter 1.9 - Operations TodayChapter 1.10 - Key Issues For Today's Business OperationsChapter 2 - Competitiveness, Strategy, And ProductivityChapter 2.7 - ProductivityChapter 3 - ForecastingChapter 3.15 - Operations StrategyChapter 4 - Product And Service DesignChapter 4.4 - Human Factors
Chapter 4.8 - Other Design ConsiderationsChapter 4.11 - Service DesignChapter 4.S - Product And Service DesignChapter 5 - Strategic Capacity Planning For Products And ServicesChapter 5.8 - Do It In-house Or Outsource It?Chapter 5.S - Strategic Capacity Planning For Products And ServicesChapter 6 - Process Selection And Facility LayoutChapter 6.2 - Process SelectionChapter 6.3 - TechnologyChapter 6.5 - Strategic Resource Organization: Facilities LayoutChapter 7 - Work Design And MeasurementChapter 7.S - Work Design And MeasurementChapter 8 - Location Planning And AnalysisChapter 8.6 - Service And Retail LocationsChapter 9 - Management Of QualityChapter 9.10 - Quality ToolChapter 10 - Quality ControlChapter 10.2 - InspectionChapter 10.5 - Operations StrategyChapter 11 - Aggregate Planning And Master SchedulingChapter 12 - Mrp And ErpChapter 12.11 - ErpChapter 13 - Inventory ManagementChapter 14 - Jit And Lean OperationsChapter 14.S - MaintenanceChapter 15 - Supply Chain ManagementChapter 15.2 - Trends In Supply Chain ManagementChapter 15.9 - E-businessChapter 15.14 - Creating An Effective Supply ChainChapter 16 - SchedulingChapter 17 - Project ManagementChapter 18 - Management Of Waiting LinesChapter 19 - Linear Programming
Book Details
Stevenson's Operations Management features integrated, up-to-date coverage of current topics and industry trends, while preserving the core concepts that have made the text the market leader in this course for over a decade. Stevenson's careful explanations and approachable format support students in understanding the important operations management concepts as well as applying tools and methods with an emphasis on problem solving. Through detailed examples and solved problems, short cases and readings on current issues facing businesses, and auto-gradable end of chapter problems and application-oriented assignments available in Connect Operations Management, students learn by doing, and the Thirteenth Edition continues to offer more support for 'doing Operations' than any other.
Connect is the only integrated learning system that empowers students by continuously adapting to deliver precisely what they need, when they need it, and how they need it, so that your class time is more engaging and effective.
Sample Solutions for this Textbook
We offer sample solutions for Operations Management homework problems. See examples below:
Explanation: The importance of losing manufacturing jobs to the nation is as follows: Service...Explanation: Supply chain management: Supply chain management is overseeing and handling the process...Explanation: Usefulness and harmfulness of import restriction or tariffs on foreign-produced goods:...Explanation: Given information: Prior to buying new equipment: Number of worker=5Number of carts...Explanation: Given information: Unit Employees Customer processed/day A 4 36 B 5 40 C 8 60 D 3 20...Chapter 3, Problem 1DRQChapter 3, Problem 2PChapter 3, Problem 4PChapter 3, Problem 9P
Chapter 3, Problem 21PChapter 3, Problem 22PChapter 4.S, Problem 6PChapter 4.S, Problem 12PExplanation: The factors that cause organizations to redesign their products or services are as...Explanation: Given information: If small facility is build: When demand is lower, then NPV is...Explanation: Given information: It is given that the lease of theme part is about to expire. The...Explanation: Given information: Three decision alternatives: 1st construct small stamping plant 2nd...Explanation: Difference between design capacity and effective capacity are as follows: Design...Chapter 5, Problem 6PChapter 5, Problem 8PChapter 5, Problem 10PExplanation: Given information: A company should decide whether to buy machine of type A, type B, or...Chapter 6, Problem 1DRQChapter 6, Problem 4PChapter 6, Problem 6PChapter 6, Problem 7PChapter 6, Problem 8PExplanation: Given information: Work centers 1 and 3 are assigned in two locations and cannot be...Explanation: Given information: Initial unit T1=8 daysLearning curve=85% Formula: ∑Tn=T1×Unit factor...Explanation: Given information: T5=14.5 hoursTotal units=25Learning curve=90% Formula: ∑Tn=T1×Unit...Explanation: Given information: Laborcost=$8.50 per hourSetup cost=$50.00Material cost=$20.00 per...Explanation: Job design and its importance: Specifying the contents and methods of jobs is known as...Explanation: Given information: Observation (minutes per cycle) Element Performance rating 1 2 3 4 5...Explanation: Given information: Performance ratingObservations (minutes per cycles)Allowance 1 2 3 4...Explanation: Given information: ElementPerformance ratingObservations (minutes per cycles)Allowance...Explanation: Given information: 1 2 3 4 5 6 1 6912 7264 2801 8901 4627 8387 2 3491 1192 575 7547...Explanation: The following are the ways through which location decision have an impact on the...Explanation: Given Information: It is given that the labor and material costs are $1.76 per...Explanation: Given Information: It is given that the fixed monthly costs of location inside the city...Explanation: Given Information: It is given that L1 and L2 are two possible sites. Destination...Explanation: List and explain the dimensions of service quality: Time: Time is one of the dimensions...Explanation: The typical characteristics of a television set using the dimensions of quality are as...List of steps in the control process: The steps in the control process are, Define: It is the...Explanation: Given information: Sample 1 2 3 4 Number with errors 4 2 5 9 Calculation of fraction...Explanation: Given information: Sample Mean Sample Mean Sample Mean Sample Mean 1 3.86 11 3.88 21...Explanation: Given information: Test z-score Median +1.37 Up/Down +1.05 By observing the given data...Explanation: Given information: 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...Explanation: Given information: Table 3 Sample Mean Range 1 45.01 0.85 2 44.99 0.89 3 45.02 0.86 4...Chapter 11, Problem 1DRQChapter 11, Problem 1PChapter 11, Problem 4PChapter 11, Problem 7PChapter 11, Problem 8PChapter 12, Problem 1DRQChapter 12, Problem 5PChapter 12, Problem 11PChapter 12, Problem 12PChapter 12, Problem 14PChapter 13, Problem 1DRQChapter 13, Problem 2PChapter 13, Problem 3PChapter 13, Problem 7PChapter 13, Problem 10PChapter 13, Problem 11PExplanation: Given information: u=300 units/dayp=800 units/dayQ=2,000 units/batch Formula: Number of...Chapter 13, Problem 14PChapter 13, Problem 21PExplanation: The following are the reasons for lean systems to differ from traditional production...Chapter 14, Problem 5PChapter 14, Problem 1CQExplanation: The following is the definition of Supply Chain: Supply Chain: It is defined as a...Explanation: Given: It is given that the total boxes to ship is 80 boxes with price per box is $200...Chapter 15, Problem 3PChapter 16, Problem 1DRQChapter 16, Problem 6PChapter 16, Problem 7PChapter 16, Problem 15PChapter 16, Problem 17PChapter 17, Problem 1DRQChapter 17, Problem 7PChapter 17, Problem 11PChapter 17, Problem 12PChapter 17, Problem 15PExplanation: The appropriate situations in queuing analysis: The queuing analysis is said to be...Explanation: Given information: λ = 3 customer/hours μ = 5 customer/hours M = 1 Formula, ρ=λMμ...Chapter 18, Problem 16PExplanation: Given Information: It is given that the processing time is 4 customers per hour and...Chapter 19, Problem 1DRQExplanation: Given information: Maximize Z=4x1+3x2Subject to:6x1+4x2≤48 lb(Material)4x1+8x2≤80...Explanation: Given information: Minimize Z=1.80S+2.20TSubject...
More Editions of This Book
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EBK OPERATIONS MANAGEMENT
14th Edition
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CONNECT F/OPERATIONS MGMT
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