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    11.Homo erectus appeared in East Africa between ___ million years ago. a.1.7 and 1.5 b.2.5 and 2.3 c.6.0 and 4.0 d.3 and 1.0 e.2.0 and 1.8     12.There is a very late surviving H. erectus group in Java that apparently managed to survive there until less than________years ago. a.300,000 b.100,000 c.1.5 mya d.2.0 mya e.50,000     13.Until recently, H. erectus sites outside of Africa.
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  Essay Questions  140.Develop a forecast for the next period, given the data below, using a three-period moving average.              141.Consider the data below:  Using exponential smoothing with alpha = .2, and assuming the forecast for period 11 was 80, what would the forecast for period 14 be?            142.A manager is using exponential smoothing to predict.
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    101.Given the following historical data, what is the simple three-period moving average forecast for period 6?      A.67   B.115   C.69   D.68   E.68.67     102.Given the following historical data and weights of .5, .3, and .2, what is the three-period moving average forecast for period 5?      A.144.20   B.144.80   C.144.67   D.143.00   E.144.00     103.Use of simple linear regression analysis assumes that:    A.variations around the line are nonrandom.   B.deviations around.
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    41.A tracking signal focuses on the ratio of cumulative forecast error to the corresponding value of MAD.      42.The use of a control chart assumes that errors are normally distributed about a mean of zero.      43.Bias exists when forecasts tend to be greater or less than the actual values of time series.      44.Bias is.
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  21.The hierarchy and sequence of planning and decision making is: mission, organizational strategy, tactics, and operational decisions.  22.Strategy includes both organizational and functional strategies.  23.Organizational strategy should be determined without considering the realities of functional area strengths and weaknesses since they can be changed to meet our strategy.  24.Mission statements should be as.
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    11.Most of the time what is called product or service design is actually a redesign of an existing product or service.      12.A service blueprint is quite similar to an architectural drawing.      13.The process of dismantling and inspecting a competitor's product to discover product improvement is called benchmarking.      14.To save money, it is essential.
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  Essay Questions 71.The weekly output of a production process is shown below, together with data for labor and material inputs. The standard inventory value of the output is $125 per unit. Overhead is charged weekly at the rate of $1,500 plus .5 times direct labor cost. Assume a 40-hour week and.
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  41.In the 1970s and early 1980s in the United States, organizations concentrated on:  A.operations strategies. B.improving quality. C.marketing and financial strategies. D.revising mission statements. E.environmental issues. 42.Which of the following is not a factor that affects productivity?  A.computer viruses B.design of the workspace C.use of the Internet D.standardizing processes E.product price 43.Which of these factors would be least likely to affect productivity?  A.methods.
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  True / False Questions 1.An example of a strategic operations management decision is the choice of where to locate.  2.An example of an operational operations management decision is inventory level management.  3.Government statistics are a good source of data about productivity trends in the service sector.  4.An example of a tactical operations management decision.
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    71.Moving average forecasting techniques do the following:    A.Immediately reflect changing patterns in the data.   B.Lead changes in the data.   C.Smooth variations in the data.   D.Operate independently of recent data.   E.Assist when organizations are relocating.     72.Which is not a characteristic of simple moving averages applied to time series data?    A.smoothes random variations in the data   B.weights each historical value.
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Multiple Choice Questions 1.Thus far, there is agreement that all hominins found outside Africa are members of which genus? a.Australopithecus b.Ardipithecus c.Paranthropus d.Homo e.H. erectus     2.Homo erectus represents a different kind of hominin than the more ancient African predecessors. One of the reasons is a.H. erectus is a step towards being more ape-like b.An increased body size and robustness c.Less.
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    21.Evidence from Zhoukoudian suggests that Homo erectus a.lived there continuously for over 250,00 years b.were settled agriculturalists c.was a scavenger d.built wooden structures e.kept domesticated animals     22.At Zhoukoudian, there is now thought to be evidence that Homo erectus a.killed deer and horses b.knew how to hunt c.used fire inside the cave d.lived in the cave e.were victims of hungry giant hyenas     23.The.
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    61.Taking a systems viewpoint with regard to operations in today's environment increasingly leads decision makers to consider ______________ in response to the ___________.  A. flexibility; pressure to be more efficient B. offshoring; need to promote domestic production C. sustainability; threat of global warming D. technology; impact of random variation E. forecasting; stabilization of demand 62.Some companies attempt to maximize the revenue.
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    41.Which of the following is not a type of operations?  A. goods production B. storage/transportation C. entertainment D. communication E. advertising 42.Technology choices seldom affect:  A. costs. B. productivity. C. union activity. D. quality. E. flexibility. 43.Measurements taken at various points in the transformation process for control purposes are called:  A. plans. B. directions. C. controls. D. feedback. E. budgets. 44.Budgeting, analysis of investment proposals, and provision of funds are activities associated with the _______ function.  A. operation B. marketing C. purchasing D. finance E. internal audit 45.Which one of the following would not.
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  True / False Questions 1.Global teams provide diversity while eliminating conflicts and miscommunication.      2.A house of quality is achieved when no department in a single location has more than 15 percent rejects.      3.Concurrent engineering is another term for sequential development.      4.One of the main advantages of standardization is that it increases the potential variety.
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  True/False Questions 1.Some of the late Eocene primates have been found in Asia.     2.Hominin emergence is characterized by the simultaneous appearance of bipedalism, toolmaking behavior, and a large brain.     3.Because organic materials such as sticks and bones are usually well preserved in the archaeological record, we have good evidence of the earliest stages.
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    51.The more novel a new product or service design is, the more forecasters have to rely on:    A.subjective estimates.   B.seasonality.   C.cyclicality.   D.historical data.   E.smoothed variation.     52.Forecasts based on judgment and opinion do not include:    A.executive opinion.   B.salesperson opinion.   C.second opinions.   D.customer surveys.   E.Delphi methods.     53.Which of the following is/are a primary input into capacity, sales, and production planning?    A.product design   B.market share   C.ethics   D.globalization   E.demand forecasts     54.Which of.
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  31.Which of the following is least likely to affect the cost an organization incurs in producing its products or services?  A.price B.productivity C.location D.quality E.inventory management 32.Where a firm locates would typically not affect that firm's:  A.costs. B.convenience for customers. C.delivery times. D.strategy. E.transportation costs. 33.Which of the following is not among the chief reasons organizations fail?  A.overemphasis on short-term financial performance B.emphasizing labor.
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    11.A consumer survey is an easy and sure way to obtain accurate input from future customers since most people enjoy participating in surveys.      12.The Delphi approach involves the use of a series of questionnaires to achieve a consensus forecast.      13.Exponential smoothing adds a percentage (called alpha) of the last period's forecast to.
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    121.A concert promoter is forecasting this year's attendance for one of his concerts based on the following historical data:  What is this year's forecast using a two-year weighted moving average with weights of .7 and .3?    A.19,400   B.18,600   C.19,000   D.11,400   E.10,600     122.A concert promoter is forecasting this year's attendance for one of his concerts based on the.
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    True / False Questions  1.Reliability is the probability that a product or system will function when activated.      2.If a system depends on two subsystems functioning when activated, the reliability of that system is equal to that of the less reliable subsystem.      3.Redundancy is often more cost-effective than increasing individual component reliability.      4.Availability cannot be.
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  11.A characteristic that was once an order winner may become an order qualifier, and vice versa.  12.Outsourcing tends to improve quality but at the cost of lowered productivity.  13.Productivity tends to be only a very minor factor in an organization's ability to compete.  14.An organization that is twice as productive as its competitor.
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    31.In order to compute seasonal relatives, the trend of past data must be computed or known, which means that for brand-new products this approach cannot be used.      32.Removing the seasonal component from a data series (deseasonalizing) can be accomplished by dividing each data point by its appropriate seasonal relative.      33.If a pattern.
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    111.The business analyst for Video Sales, Inc. wants to forecast this year's demand for DVD decoders based on the following historical data:  What is the forecast for this year using a three-year weighted moving average with weights of .5, .3, and .2?    A.163   B.180   C.300   D.420   E.510     112.The business analyst for Video Sales, Inc. wants to forecast.
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  51.Core competencies in organizations generally do not relate to:  A.cost. B.quality. C.time. D.flexibility. E.sales price. 52.With regard to operations strategy, organization strategy should, ideally, take into account:  A.operations' strengths and weaknesses. B.inventory levels. C.labor productivity. D.product mix. E.production processes. 53.Which of the following is not typically considered a cure for poor competitiveness?  A.Remove communications barriers within organizations. B.Minimize attention to the operations function. C.Put less.
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    31.Potassium-40 (40K) a.decays to the gas, argon-40 (40Ar) b.decays to carbon-14 c.has a full-life of 1.25 billion years d.is the same as carbon-14 e.is destructive and therefore not used by paleoanthropologists     32.Which of the following would be best suited to the carbon-14 dating technique? a.materials more than 100,000 years old b.volcanic rock c.sedimentary rock d.metals e.certain organic materials less than 75,000.
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    61.Which phrase most closely describes the Delphi technique?    A.associative forecast   B.consumer survey   C.series of questionnaires   D.developed in India   E.historical data     62.The forecasting method which uses anonymous questionnaires to achieve a consensus forecast is:    A.sales force opinions.   B.consumer surveys.   C.the Delphi method.   D.time series analysis.   E.executive opinions.     63.One reason for using the Delphi method in forecasting is to:    A.avoid premature consensus (bandwagon effect).   B.achieve a.
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    71.Making plans for how products that have reached the end of their useful lives will be dealt with is the primary subject of:  A.cradle-to-grave assessment.   B.end-of-life programs.   C.life-cycle analysis.   D.three R's programs.   E.process mapping.     72.One of these is not a characteristic of a well-designed service system:  A.user friendly   B.robust   C.distributed computer networks   D.cost effective   E.easy to sustain     73.A formal way to document.
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    51.One way to increase reliability is to:  A.eliminate backup components.   B.improve preventive maintenance procedures.   C.increase mean repair time.   D.increase the number of independent components.   E.use a global supply chain.     52.Which of the following is not a reason for redesigning a product or service?  A.to reduce labor or material cost   B.to increase the level of employee satisfaction   C.to increase the.
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  155.A manager uses this equation to predict demand: Yt = 20 + 4t. Over the past eight periods, demand has been as follows. Are the results acceptable? Explain.              156.Data on demand over the last few years are available as follows:  What would this year's forecast be if we were using the naive.
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    51.What is credited with gains in industrial productivity, increased standards of living, and affordable products?  A. personal computers B. the Internet C. mass transportation D. mass production E. multilevel marketing 52.Production systems with customized outputs typically have relatively:  A. high volumes of output. B. low unit costs. C. high amount of specialized equipment. D. fast work movement. E. skilled workers. 53.Which is not an area of significant difference between manufacturing and service.
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    81.A manager uses the following equation to predict monthly receipts: Yt = 40,000 + 150t. What is the forecast for July if t = 0 in April of this year?    A.40,450   B.40,600   C.42,100   D.42,250   E.42,400     82.In trend-adjusted exponential smoothing, the trend-adjusted forecast consists of:    A.an exponentially smoothed forecast and a smoothed trend factor.   B.an exponentially smoothed forecast and.
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    61.In the area of product and service design, the acronym CAD refers to:  A.conceptually appropriate design.   B.computer-aided design.   C.commercial applications design.   D.competitive advantage design.   E.completely automated design.     62.Which of the following statements about CAD is not true?  A.It increases the productivity of designers.   B.It uses computer graphics.   C.It requires a good database.   D.Some systems permit engineering or cost analysis of.
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  True/False Questions 1.All analyses have shown that Homo erectus hominins represent a different hominin than their more ancient African predecessors.   2.A nuchal torus refers to the projection of bone on the top of the cranium which is very common among Homo erectus.   3.The mean cranial capacity for Homo erectus is 900 cm3   4.Kamaya Kimeu.
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  True / False Questions  1.Forecasting techniques generally assume an existing causal system that will continue to exist in the future.      2.For new products in a strong growth mode, a low alpha will minimize forecast errors when using exponential smoothing techniques.      3.Once accepted by managers, forecasts should be held firm regardless of new input.
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  True / False Questions 1.Operations managers are responsible for assessing consumer wants and needs and selling and promoting the organization's goods or services.  2.Often, the collective success or failure of companies' operations functions will impact the ability of a nation to compete with other nations.  3.Companies are either producing goods or delivering services..
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    21.Concurrent engineering means that at least two engineers are involved in product design at the same time.      22.One approach to extending a product's life cycle is to promote alternate uses of the product.      23.Quality function deployment is a structured approach that guarantees that the highest-quality product or service will be designed.      24.Product liability.
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  150.Given the following data, develop a linear regression model for y as a function of x.              151.Given the following data, develop a linear regression model for y as a function of x.              152.Develop a linear trend equation for the data on bread deliveries shown below. Forecast deliveries for period 11 through 14.              153.Demand.
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    91.Given forecast errors of 4, 8, and -3, what is the mean absolute deviation?    A.4   B.3   C.5   D.6   E.12     92.Given forecast errors of 5, 0, -4, and 3, what is the mean absolute deviation?    A.4   B.3   C.2.5   D.2   E.1     93.Given forecast errors of 5, 0, -4, and 3, what is the bias?    A.-4   B.4   C.5   D.12   E.6     94.Which of the following is used for constructing a control chart?    A.mean.
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    11.Assembly lines achieved productivity but at the expense of standard of living.  12.The operations manager has primary responsibility for making operations system design decisions, such as system capacity and location of facilities.  13.The word "technology" is used only to refer to "information technology."  14."Value added" by definition is always a positive number since.
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    31.Taguchi design methods involve identifying the optimal operating or environmental conditions for a given product.      32.Quality function deployment (QFD) is based on a set of standards which relate customer requirements to company capabilities.      33.The quality function deployment matrices are often referred to as the "house of quality" because, when completed, they "house".
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  145.A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. Actual and predicted amounts are shown below. Would a naive forecast have produced better results?              146.A new car dealer has been using exponential smoothing with an alpha of .2 to.
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    131.The owner of Darkest Tans Unlimited in a local mall is forecasting this month's (October's) demand for the one new tanning booth based on the following historical data:  What is this month's forecast using a four-month weighted moving average with weights of .4, .3, .2, and .1?    A.120   B.129   C.141   D.135   E.140     132.The owner of Darkest Tans.
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    21.A moving average forecast tends to be more responsive to changes in the data series when more data points are included in the average.      22.In order to update a moving average forecast, the values of each data point in the average must be known.      23.Forecasts of future demand are used by operations.
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    41.Reliability can be improved by the use of backup components.      42.Delayed differentiation and modular design are tactics for mass customization.      Multiple Choice Questions 43.Which of the following is least likely to result in product innovations that have near-term commercial application?  A.process blueprinting   B.development   C.applied research   D.quality function deployment   E.basic research     44.Which of the following is not one of the.
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  41.By about 2 mya, which of the following was true? a.All hominins were members of the same genus. b.There were one or more species of the genus Homo present in East Africa. c.Modern humans were living alongside australopiths. d.All hominins still lived only in East Africa. e.There was only one hominid species present in Asia.     42.By.
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    21.A systems approach emphasizes interrelationships among subsystems, but its main theme is that the whole is greater than the sum of its individual parts.  22.The Pareto phenomenon is one of the most important and pervasive concepts that can be applied at all levels of management.  23.Operations managers, who usually use quantitative approaches,.
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    31.Operations management and marketing are the two functional areas that exist to support activities in other functions such as accounting, finance, IT, and human resources.  32.Lean production systems incorporate the advantages of both mass production and craft production.  33.As an abstraction of reality, a model is a simplified version of a real.
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