Production and Operations Management quizzes
Question 20 1 / 1 point A product may not necessarily survive its incubation phase, but if it does, it generally enters on a distinct period of _______. rapid growth decline maturity customization
rapid growth
Which of the following activities is an example of e-commerce?
selling homemade birdhouses online
Which of the following activities is an example of e-commerce? outsourcing logistics activities to a provider initiating a corporate responsibility initiative which focuses on the importance of recycling selling homemade birdhouses online storing large amounts of organized data and searching for patterns using data mining
selling homemade birdhouses online
A _____ moving average gives each period within the span of past data the same weight in creating a forecast
simple
Question 10 A _____ moving average gives each period within the span of past data the same weight in creating a forecast. seasonal fixed weighted simple
simple
Question 17 Which time series technique predicts a future value by combining the previous prediction and some portion of the error in that prediction? simple exponential smoothing coefficient of determination naïve forecasting weighted moving average
simple exponential smoothing
Which time series technique predicts a future value by combining the previous prediction and some portion of the error in that prediction?
simple exponential smoothing
Question 18 The alpha value (α) in the exponential smoothing formula is also known as the _____. tracking signal known unknown smoothing constant correlation coefficient
smoothing constant
The alpha value (α) in the exponential smoothing formula is also known as the
smoothing constant
Because _______ addresses the complete, long-term costs of any operation, it might be thought of as the only true total productivity measure.
sustainability
Because _______ addresses the complete, long-term costs of any operation, it might be thought of as the only true total productivity measure. sustainability value-added process selection core competency
sustainability
Which of the following is an example of a customized production process? tailored clothing gasoline bulk food textbooks
tailored clothing
A useful framework describing different kinds of production systems and processes is
the product process matrix
Calculating a regression equation for a given set of data identifies the specific values of
the slope and intercept
Question 3 Calculating a regression equation for a given set of data identifies the specific values of _____. the slope and intercept the correlation coefficient and coefficient of determination the absolute deviation and percent error the natural and assignable variations
the slope and intercept
Question 14 Which of the following is NOT a qualitative method of forecasting? expert opinion panel survey time series analysis Delphi group
time series analysis
Which of the following is NOT a qualitative method of forecasting?
time series analysis
The break-even point is the level of production at which
total revenue and cost are balanced
The break-even point is the level of production at which ________. the cost varies according to the volume of activity total revenue and cost are balanced profits exceed costs the cost of system capacity is equal to total cost
total revenue and cost are balanced
A waiting line is also known as a queue.
true
Most of the time, the length of a queue has no technical limitations. True or False? Question 3 Kee's Bridal Fashions generally orders more dresses than it thinks it will sell so that it can handle an unexpected large volume of business, should it occur. This is an example of ________. unexpected capacity just-in-time order fulfillment predictive inventory capacity cushion
true
A gallon of gasoline being more valuable to a motorist than a gallon of crude oil demonstrates the concept of _______, a simple measure of success in operations strategy
value-added
A gallon of gasoline being more valuable to a motorist than a gallon of crude oil demonstrates the concept of _______, a simple measure of success in operations strategy. value-added productivity incubation customization
value-added
What term is used to describe an organization's defining statement about the future?
vision
What term is used to describe an organization's defining statement about the future? vision strategy values mission none of these
vision
Naïve forecasting assumes that
what will happen next will be the same as what has just happened
In the service-process matrix, food delivery processes that have shorter lead times are
fast food and vending machines
According to the text, organizations that choose to compete through responsiveness must cultivate _______ within their operations, because they cannot know in advance precisely what will be required of them. reliability speed flexibility quality
flexibility
Mean error is an excellent measure of
forecast bias
Mean error is an excellent measure of _____. accuracy trends forecast bias variability
forecast bias
When business units of large organizations develop an individualized vision, mission, and business unit strategy, the problem of _______ becomes critical
goal alignment
When business units of large organizations develop an individualized vision, mission, and business unit strategy, the problem of _______ becomes critical. goal alignment appropriate data mining enterprise resource planning organization sustainability
goal alignment
Causal models are used to predict a value based on
identifying important links between the outcome and other factors in its environment
Question 6 Naïve forecasting assumes that _____. what will happen next will be the same as what has just happened it is not possible to predict with any certainty a future outcome cyclic influences have no bearing on predicting future outcomes deseasonalizing data produces the most detailed forecasts of the future
what will happen next will be the same as what has just happened
Question 15 Which of the following is not a type of qualitative forecasting? jury of executive opinion moving average Delphi method market survey
moving average
Which of the following is not a type of qualitative forecasting?
moving average
Which productivity measure provides a closer approximation to the true productivity of a complex system?
multifactor productivity measure
At what point is a product said to be in the maturity phase of the product life cycle?
when providers of the product saturate the market and demand levels off
In the M/M/1 model, ________ represents the average number of services that can be completed in a designated time interval.
μ (muo)
Question 10 In the M/M/1 model, ________ represents the average number of services that can be completed in a designated time interval. Pn LS λ(lamda) μ (muo)
μ (muo)
Which productivity measure provides a closer approximation to the true productivity of a complex system? partial productivity measure multifactor productivity measure total productivity measure value-added
multifactor productivity measure
Marylee told the customer service rep that she had been waiting for half an hour in line, but she had actually only been waiting 15 minutes. Marylee's stated waiting time was ________ time.
perceived
Question 9 Marylee told the customer service rep that she had been waiting for half an hour in line, but she had actually only been waiting 15 minutes. Marylee's stated waiting time was ________ time. emotional absolute perceived extrapolated
perceived
Retailers like Walmart build multiple stores and focus on sales through in-person shopping, while retailers such as Amazon focus on making the same goods available through online shopping and parcel shipments. This is an example of _______.
process selection
Retailers like Walmart build multiple stores and focus on sales through in-person shopping, while retailers such as Amazon focus on making the same goods available through online shopping and parcel shipments. This is an example of _______. process selection business analytics third-party logistics product selection
process selection
Question 7 Which of the following correlation coefficient values represents the strongest positive correlation between two factors in a data set? r = 0.931 r = 0 r = -1.0 r = -0.872
r = 0.931
Which of the following correlation coefficient values represents the strongest positive correlation between two factors in a data set? r = 0 r = -0.872 r = 0.931 r = -1.0
r = 0.931
A product may not necessarily survive its incubation phase, but if it does, it generally enters on a distinct period of _______.
rapid growth
Which of the following is an example of a mission statement? "Elegance, Comfort, Style, Affordability, and Quality." "To refresh the world, to inspire moments of optimism and happiness, to create value and make a difference." "Be a global leader in customer value." "Leadership, Collaboration, Passion, Diversity, and Integrity."
"To refresh the world, to inspire moments of optimism and happiness, to create value and make a difference."
Question 9 What is the ME for the forecast errors of 5, 10, 0, and -3? 4.5 3 12 2.5
3
What is the ME for the forecast errors of 5, 10, 0, and -3?
3
Question 16 What is the MSE for the forecast errors of 2, 9, and -6? 27.66 1.6 40.33 5.6
40.33
What is the MSE for the forecast errors of 2, 9, and -6?
40.33
Question 2 Several forecasting methods rely on insights from a group of people, but which method does NOT have the group discuss their opinions? crowdsourcing expert opinion panels jury of executive opinion
Delphi groups
Several forecasting methods rely on insights from a group of people, but which method does NOT have the group discuss their opinions?
Delphi groups
_______ is a strategic information system that integrates all functional areas of an organization. Business analytics E-commerce Enterprise resource planning Data mining
Enterprise resource planning
is a strategic information system that integrates all functional areas of an organization
Enterprise resource planning
Effective capacity of a system is expected to be more than its design capacity.
False
________ cost is cost incurred regardless of the volume of associated activity. Scale Determinate Fixed Variable
Fixed
cost is cost incurred regardless of the volume of associated activity.
Fixed
Question 19 1 / 1 point Which of the following is NOT a characteristic of business analytics? It is an iterative process. It depends on the ready availability of quality data. It is a short-term process. It attempts to glean new insight from data.
It is a short-term process.
Which of the following is NOT a characteristic of business analytics?
It is a short-term process.
A tracking signal is a ratio of the sum of forecast errors divided by the ______ of the forecast over the same time period
MAD
A tracking signal is a ratio of the sum of forecast errors divided by the ______ of the forecast over the same time period. MAD MAPE MSE ME
MAD
Question 5 Which of the following forecasting measures calculates the average of the absolute values of a set of forecast errors? ME MSE MAPE MAD
MAD
Which of the following forecasting measures calculates the average of the absolute values of a set of forecast errors?
MAD
Which of the following is an example of a partial productivity measure? customer conversion rates point of sale purchase rates year-to-date profits Megabits per second
Megabits per second
Of the following organizations, which one most likely competes through the dimension of quality?
Mercedes-Benz
Of the following organizations, which one most likely competes through the dimension of quality? Walmart Costco McDonald's Mercedes-Benz
Mercedes-Benz
are the minimum standards that an organization must achieve to simply be considered by the customer.
Order qualifiers
Question 8 The ________ distribution describes the likelihood of a particular number of independent events within a particular interval. FCFS Binomial Poisson Normal
Poisson
The ________ distribution describes the likelihood of a particular number of independent events within a particular interval
Poisson
What is one way in which productivity differs from value-added?
Productivity is not always a comparison of the overall input and output values.
Question 12 _____ analysis uses mathematical relationships between two or more variables to predict future values. Moving average Regression Extrapolation Correlation
Regression
analysis uses mathematical relationships between two or more variables to predict future values
Regression
_______ is a ratio of the combined value of all outputs to the combined value of all inputs of an operation. The multifactor productivity measure Value-added The partial productivity measure The total productivity measure
The total productivity measure
is a ratio of the combined value of all outputs to the combined value of all inputs of an operation.
The total productivity measure
What issue can arise when large corporations organize and evaluate themselves according to their output? The neglect to address the company's need for vision, mission, and value statements. They fail to utilize the advantages obtained through the implementation of business analytics. They fail to look at the company's core competency, which is critical to its long-term success. They fail to balance the company's drive of globalization with the need for sustainability.
They fail to look at the company's core competency, which is critical to its long-term success.
What issue can arise when large corporations organize and evaluate themselves according to their output? The neglect to address the company's need for vision, mission, and value statements. They fail to utilize the advantages obtained through the implementation of business analytics. They fail to look at the company's core competency, which is critical to its long-term success. They fail to balance the company's drive of globalization with the need for sustainability.
They fail to look at the company's core competency, which is critical to its long-term success.
Question 4 Which of the following statements regarding time series techniques is TRUE? Time series techniques attempt to predict a future outcome by identifying important links between the outcome and other factors in its environment. Time series techniques focus on the historical behavior of some outcome of interest to predict its future behavior. Time series techniques are qualitative forecasting measures that rely on an expert's insight. Time series techniques are favored approaches for longer-term forecasting.
Time series techniques focus on the historical behavior of some outcome of interest to predict its future behavior.
Which of the following statements regarding time series techniques is TRUE?
Time series techniques focus on the historical behavior of some outcome of interest to predict its future behavior.
Which of the following is an example of a mission statement?
To refresh the world, to inspire moments of optimism and happiness, to create value and make a difference."
Kee's Bridal Fashions generally orders more dresses than it thinks it will sell so that it can handle an unexpected large volume of business, should it occur. This is an example of ________.
capacity cushion
An ability that distinguishes a business from its competitors is a
core competency
Once an organization has declared its core competency, it typically chooses one or more specific dimensions on which to develop its competitive strategy further. Which of the following is one of those dimensions?
cost
Question 18 1 / 1 point Once an organization has declared its core competency, it typically chooses one or more specific dimensions on which to develop its competitive strategy further. Which of the following is one of those dimensions? potential for globalization cost sustainability technological capacity
cost
The product life cycle model theorizes that any mature product will eventually move into _______. incubation rapid growth customization decline
decline
Question 7 Chicago's new city buses are intended to hold 60 people. This is a measurement of the ________ of the buses. performance utilization capacity design capacity efficiency
design capacity
For output volume, any increase to output level decreases average cost by spreading the fixed cost further. This is known as
economies of scale
For output volume, any increase to output level decreases average cost by spreading the fixed cost further. This is known as ________. economies of scale variable cost fixing diseconomies of scale optimal distribution
economies of scale
Effective capacity of a system is expected to be more than its design capacity. True or False?
false
Question 19 Causal models are used to predict a value based on ______. capturing human intuition identifying important links between the outcome and other factors in its environment the assumption that a future outcome is based on that outcome's historical behavior a small group of highly knowledgeable people who develop predictions through discussion and consensus
identifying important links between the outcome and other factors in its environment
Question 13 What does qualitative forecasting rely upon to develop predictions? intuition useful relationships between a future outcome and known factors historical behavior and extrapolation mathematics
intuition
What does qualitative forecasting rely upon to develop predictions
intuition
Question 8 The forecasting technique that pools the opinions of a group of experts or managers is known as: market survey. the expert judgment model. multiple regression. jury of executive opinion.
jury of executive opinion.
The forecasting technique that pools the opinions of a group of experts or managers is known as
jury of executive opinion.
A _______ system produces high volumes of standardized product.
make-to-stock
A _______ system produces high volumes of standardized product. make-to-stock lean make-to-order product life cycle
make-to-stock
Averaging forecast errors over time results in the performance measure known as
mean error
Question 11 Averaging forecast errors over time results in the performance measure known as _____. mean absolute percent error mean absolute deviation naive forecasting mean error
mean error