Q&A Hero

Q: (p. 38) Various financial data for SunPath Manufacturing for 2012 & 2013 follow. What is the percentage change in the labor partial productivity measure for SunPath between 2012 & 2013? A. -9.22 B. 2.33 C. -0.53 D. 2.88 E. 10.39

Q: Standard practice in statistical process control for variables is to set control limits so that 95 percent of the sample means will fall within the UCL and the LCL.

Q: (p. 38) Various financial data for SunPath Manufacturing for 2012 & 2013 follow. What is the percentage change in the energy partial productivity measure for SunPath between 2012 & 2013? A. -9.22% B. 2.33% C. -0.53% D. 2.88% E. 22.2%

Q: The capability index (Cpk) indicates the position of the mean and tails of a processes variance relative to design specifications

Q: (p. 38) Various financial data for SunPath Manufacturing for 2012 & 2013 follow. What is the percentage change in SunPath's total productivity measure between 2012 & 2013? A. -9.22 B. 2.33 C. -0.53 D. 2.88 E. 10.39

Q: The capability index (Cpk) calculates the percentage of items being produced within specifications.

Q: (p. 38) Larry's Auto Body Repair Shop had revenues that averaged $60,000 per week in April and $50,000 per week in May. During both months, the shop employed six full-time (40 hours/week) workers. In April the firm also had four part-time workers working 25 hours per week but in May there were only 2 part-time workers and they only worked 10 hours per week. What is the percentage change in labor productivity from April to May for Larry's Auto Body Repair? A. -20.00% B. -15.82% C. 8.95% D. 2.3% E. -25.00%

Q: (p. 38) The total output from a production system in one day is 900 units and the total labor necessary to produce the 900 units is 900 hours. Using the appropriate productivity measure, what is the resulting productivity ratio? A. 1.000 B. 1.428 C. 0.700 D. 0.411 E. None of the above

Q: Sampling plans are generally displayed graphically through the use of operating characteristic (OC) curves.

Q: (p. 38) The total output from a production system in one day is 500 units and the total labor necessary to produce the 500 units is 350 hours. Using the appropriate productivity measure, which of the following numbers represents the resulting productivity ratio? A. 1.000 B. 1.428 C. 0.700 D. 0.411 E. None of the above

Q: One-hundred percent inspection is justified when the cost of inspection is low.

Q: Total, one-hundred percent, inspection can never be cost justified.

Q: (p. 38) If all you knew about a production system was that total daily output was 400 units and the total labor necessary to produce the 400 units was 350 hours, and the total materials used were 425 units, what kind of productivity measure could you use to compute productivity? A. Partial measure B. Multifactor measure C. Total measure D. A and B above E. B and C above

Q: (p. 38) If all you knew about a production system was that total daily output was 400 units and the total labor necessary to produce the 400 units was 350 hours, what kind of productivity measure could you use to compute productivity? A. Partial measure B. Multifactor measure C. Total measure D. Global measure E. All of the above

Q: The producer's risk associated with rejecting a high quality lot is denoted in acceptance sampling with the Greek letter beta.

Q: (p. 38) Which of the following is a total measure of productivity? A. Output/Materials B. Output/(Labor + Capital + Energy) C. Output/Labor D. Output/Inputs E. All of the above

Q: The probability associated with accepting a low quality lot is denoted in acceptance sampling with the Greek letter alpha.

Q: (p. 38) Which of the following is a multifactor measure of productivity? A. Output/(Materials) B. Output/(Labor + Capital + Energy) C. Output/All resources used D. Output/Inputs E. All of the above

Q: The probability associated with rejecting a high quality lot is denoted in acceptance sampling with the Greek letter alpha.

Q: (p. 37) Which of the following is a partial measure of productivity? A. Output/Materials B. Output/(Labor + Capital + Energy) C. Output/All resources used D. Output/Inputs E. All of the above

Q: The Greek letter alpha is associated with consumer's risk.

Q: (p. 34) An activity-system map is which of the following? A. A network guide to route airlines B. A listing of activities that make up a project C. A diagram that shows how a company's strategy is delivered to customers D. A facility layout schematic noting what is done where E. A timeline displaying major planned events

Q: LTPD in acceptance sampling stands for "lots of tolerance for parts defective".

Q: (p. 32) When a company seeks to match the benefits of a successful position while maintaining its existing position in offering customers a variety of differing services, what is this process called? A. Operations capability analysis B. Straddling C. Order qualifying D. Order winning E. Inter-functional analysis

Q: AQL stands for accepting questionable lots in production quality management.

Q: In acceptance sampling, the value for the acceptance number (c) is determined by the interaction of the acceptable quality level (AQL), the lot tolerance percent defective (LTPD), the probability of rejecting a high quality lot (alpha) and the probability of accepting a low quality lot (beta).

Q: (p. 31) In development of an operations and supply chain strategy, which of the following may be an important product-specific criteria to consider? A. Focus B. Production lot-size C. Supplier after-sale support D. Learning curve E. Total quality management

Q: In acceptance sampling, the number of units in the sample (n) is determined by the interaction of the acceptable quality level (AQL), the lot tolerance percent defective (LTPD), the probability of rejecting a high quality lot (alpha) and the probability of accepting a low quality lot (beta).

Q: (p. 31) When developing an operations and supply chain strategy, which of the following is an important product-specific criterion to consider? A. Technical liaison B. Learning curve C. Competitor's product performance D. Production lot-size E. Total quality management

Q: Acceptance sampling is performed on goods that already exist to determine what percentage of items conforms to specifications.

Q: (p. 30) A major competitive dimension that forms a company's strategic operational competitive position in their strategic planning is which of the following? A. Cost or price B. Focus C. Automation D. Straddling E. Activity-system mapping

Q: (p. 30-32) Which of the following is not a major strategic operational competitive dimension that forms a company's competitive position? A. Cost or price B. Delivery speed C. Delivery reliability D. Management acumen E. Coping with changes in demand

Q: To obtain a 99.7 percent confidence level in a "p" chart we would use a value of 3 for "z".

Q: If the fraction defective is 0.4 based on a sample size of 100, the standard deviation used in the "p" chart is about 0.10.

Q: (p. 26) Within a sustainability framework, the environmental dimension of the triple bottom line concept has to do with labor, the community, and the region in which a firm conducts its business.

Q: (p. 27) Within a sustainability framework, the economic dimension of the triple bottom line concept goes beyond just profit for the firm but also provides lasting economic benefit to society.

Q: If the fraction defective is 0.12 based on a sample size of 16, the standard deviation used in the "p" chart is about 0.08.

Q: (p. 27) According to the economic aspect of the triple bottom line concept, the firm is required to compensate shareholders by paying dividends and growing the value of their common stock faster than their competitors.

Q: The value for "z" used in quality control charts is based on the degree of confidence you want to have in the resulting UCL and LCL values.

Q: (p. 26) A firm's business practices toward its' labor force pertain mainly to the economic aspect of the triple bottom line concept.

Q: The "p" chart is only useful for sampling that deals with continuous variables.

Q: (p. 26) The social impact of the triple bottom line concept pertains to fair and beneficial business practices toward labor, the community, and the region in which a firm conducts its business.

Q: A quality control chart has upper and lower control limits expressed as lines on a chart. As long as the sample values fall between these two lines there is no need to investigate process behavior.

Q: (p. 26) Sustainability means meeting a firm's current needs without excessively compromising the ability of future generations to meet their own needs.

Q: Attributes are those quality characteristics that are classified as either conforming or not conforming to specifications.

Q: (p. 26) The triple bottom line considers evaluating the firm against social, economic, and environmental criteria.

Q: Measurement by attributes means taking a sample, measuring the attribute in question and determining the level of quality in the population from which the sample was drawn.

Q: (p. 38; exhibit 2.5) In a multifactor measure of productivity the numerator of the ratio would include all resources used or all inputs.

Q: (p. 38; Exhibit 2.5) In a partial measure of productivity the denominator of the ratio would include all resources used or all inputs.

Q: Statistical process control involves testing random samples of output from a process to determine whether the process is producing items within a pre-selected range.

Q: (p. 37) Productivity is a relative measure.

Q: Process control is concerned with monitoring quality after the product or service has been produced.

Q: (p. 28) The job of operations and supply chain strategy is to deliver the most feature-rich, highest quality product at the lowest price within specified parameters of delivery time and customization.

Q: The capability index is used to gauge economic changes in service systems.

Q: (p. 29) Once an operations strategy is adopted and articulated, the primary emphasis becomes perfecting the system of activities that make up the strategy through detailed refinements over a long period of time.

Q: Genichi Taguchi's view of the cost of quality is that variance is a discontinuous function.

Q: (p. 29) Infrastructure decisions within operations strategy include the selection of the logic associated with the planning and control systems

Q: It is impossible to have zero variability in production processes.

Q: (p. 29) Infrastructure decisions within operations strategy include the selection of the appropriate technology, the role of inventory and the location of facilities.

Q: Variation that is inherent in a production process itself is called common variation.

Q: (p. 28) Operations and supply strategy can be viewed as part of a planning process that coordinates operational goals with those of the larger organization.

Q: Variation that is inherent in a production process itself is called assignable variation.

Q: (p. 28) An operations strategy must resist change because of the long term nature of equipment and personnel investments.

Q: An example of assignable variation in a production system may be that a machine is not adjusted properly.

Q: (p. 34) Activity-system maps depict the geographic reach of a company's business strategies.

Q: (p. 34) Activity-system maps are useful in understanding how well a system of activities fits the overall company's strategy.

Q: An example of assignable variation in a production system may be that workers are not identically trained.

Q: Variation in production systems that is caused by factors that can be clearly identified and possibly even managed is called assignable variation.

Q: (p. 34) Activity-system maps show how a company's strategy is delivered through a set of tailored activities.

Q: (p. 32) An order qualifier is a set of screening criteria that permits a firm's products to be considered as possible candidates for purchase.

Q: In what ways can management influence the arrival patterns of waiting lines?

Q: (p. 32) An order winner is a set of screening criteria that permits a firm's products to be considered as possible candidates for purchase.

Q: Are customer arrivals drawn from finite and infinite populations analyzed differently? Why or why not?

Q: (p. 32) An order winner is a set of criteria that differentiates the products or services of one firm from another.

Q: A single toll booth on a one-lane bridge is which type of queuing system line structure?

Q: (p. 32) By following a straddling strategy, firms can broaden their capabilities and effectively compete with more focused firms in markets requiring low cost for success.

Q: Standing in line to buy tickets for a basketball game where there are multiple windows to buy tickets involves which type of queuing system Line Structure?

Q: (p. 32) The process when a company seeks to match the benefits of a successful position while maintaining its existing position by adding new features, services, and technologies into its current portfolio it is called straddling.

Q: In getting your first driver's license, several steps had to be taken. First, you took the written test. Then you took the driving test. Then your photograph was taken and the license made. What was the queuing system line structure in the Department of Motor Vehicles?

Q: (p. 32) The process when a company seeks to match the benefits of a successful position while maintaining its existing position by adding new features, services, and technologies into its current portfolio is called flexibility.