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Sac State OPM 101 - Exam Guide

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Professor Blake OPM 101 Name__________________________Spring 2010EXAMINATION 2, Version EUse a Scantron Form No. 886-E to record your choice of the best answer to each of the following questions. You have the full period to answer the questions.The following questions are worth three (3) points each.1. What are the two categories of quantitative models?a) Delphi and non-causalb) Causal and non-causalc) Delphi and time seriesd) Causal and time seriese) Causal and Delphi2. In linear regression, what are we trying to forecast?a) Beta parameterb) Dependent variablec) Independent variabled) Y-intercept of the linee) Slope of the line3. What is the mean absolute deviation of the following forecasts?Month Actual Sales Forecast [error]Jan. 614 600 14Feb. 480 480 0Mar. 500 550 50Apr. 500 600 100a) 3174 164 / 4 = 41b) 164c) 41d) 136e) -34 4. The first step in forecasting is:a) determine what data is availableb) decide what to forecastc) evaluate and analyze appropriate datad) select and test the forecast modele) establish the forecast accuracy requirements5. The maximum output rate that can be sustained under normal conditions is _______________________.a) utilizationb) design capacityc) effective capacityd) ultimate capacitye) temporary capacity1Professor Blake OPM 101 Name__________________________Spring 20106. The first step in making a capacity planning decision is __________________________________.a) evaluate capacity alternativesb) implementationc) identify capacity requirementsd) develop capacity alternativese) weight capacity objectives7. Service organizations such as restaurants, movie theaters, and banks focus on locating near ____________.a) suppliers b) roadsc) intersectionsd) their customerse) potential workers8. Disadvantages of globalization include ______________________________________________.a) use of cheap labor in certain countriesb) increased stigma due to locating factories overseasc) reduction of trade barriersd) increased sales in foreign marketse) political risks for countries with unstable governments9. Which of the following is more like a product layout as compared to a process layout?a) Resources used are general purpose.b) Facilities are less capital intensive.c) Processing rates are faster.d) Space requirements for inventory storage are higher.e) Scheduling resources is more challenging.10. A hybrid layout combinesa) fixed and productb) fixed and processc) inverted and productd) services and manufacturinge) process and product11. For the general warehouse layout problem, which department should be located furthest from thedock?a) least trips neededb) most area neededc) highest ratio of trips needed to area neededd) smallest ratio of area needed to trips needede) smallest ratio of trips needed to area needed2Professor Blake OPM 101 Name__________________________Spring 201012. What is the term for the maximum amount of time each workstation has to complete its assigned task?a) output rateb) task timec) station timed) cycle timee) output time13. What occurs when a customer enters one line and then switches to a different line in an effort to reduce his or her waiting time?a) balkingb) walkingc) renegingd) vacillatinge) jockeying14. Customers generally consider which of the following priority rules to be the fairest?a) quickest service requirements firstb) longest service requirements firstc) first-come, first-servedd) best customers firste) highest profit customer first15. Which of the following is not considered to be a valid performance measure of a waiting line system?a) the average number of customers waiting in lineb) the average number of customers in the systemc) the average amount of time customers spend waitingd) the system utilization ratee) the service pattern16. Which of the following is not an assumption of the waiting line models presented in the textbook? a) the customers are patientb) customers come from an infinite populationc) customer arrival rate is described by a Poisson distributiond) service times are described by an exponential distributione) in a multi-phase system, a server can serve more than one customer at a time17. What are small groups of employees who meet to identify, analyze, and solve operational problems called?a) traditional work groupsb) cross-functional teamsc) self-managed teamsd) problem-solving teamse) special-purpose teams3Professor Blake OPM 101 Name__________________________Spring 201018. The time is the time it should take a qualified operator, working at a sustainable pace and using the appropriate tools and process, to do the job.a) performanceb) observedc) normald) standarde) ideal19. What is a technique for estimating the proportion of time an employee or machine spends on different work activities?a) predetermined time datab) time elementsc) stopwatch time studyd) work samplinge) simultaneous motion study20. A qualitative forecast is made subjectively by the forecaster.a) Trueb) False21. The ratio of actual output rate to capacity is utilization.a) Trueb) False22. The cycle time of a production line is based on the workstation with the highest potential output rate.a) Trueb) False23. If the number of customers you can serve per time period is more than the average number of customers arriving, the waiting line grows infinitely.a) Trueb) False24. The standard time is the time it should take a qualified operator, working at a sustainable pace and using the appropriate tools and process, to do the job.a) Trueb) FalseThe following problems are worth ten (10) points each.1. John’s Office Supply Company has the following order history over the last 8 months.April 50May 75June 160July 120August 80September 120October 180November 904Professor Blake OPM 101 Name__________________________Spring 2010Compute a 3-month weighted moving average forecast for December, with a weight of 65% forthe most recent month, 25% for the month preceding the most recent month, and 10% for the month preceding that one.[(.65 * 90) + (.25 * 180) + (.10 * 120)] = [58.5 + 45 + 12] = 115.52. Supershirtco plans to open a new factory and is looking for a suitable location. They have narrowed their choice down to three locations, Lima, Peru; Rome, Italy; and Nome, Alaska. They have defined four factors and have


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