LSS Final Exam Package Questions and Answers with Complete Solutions Graded A 2024

Which of the following tools are considered part of the seven quality control (7QC) tools. a) gage R & R b) flow charts c) Pareto charts d) control charts e) b, c and d f) all the above - e) flow charts, pareto charts and control charts True or False: A cause and effect diagram captures historical knowledge but does not focus on present knowledge. - False True or False: The check sheet is one of the seven quality control tools. - True Depending on the type of control chart used, we can _______________________. a) plot data over time b) see calculated control limit lines visually on either side of the mean c) calculate specification limits from the data d) a and b only - d) a and b only You want to develop a picture of the current process to share with management and decide to use a flow chart because it ______________. a) illustrates the frequency of the problems occurring in a process b) shows the process distribution c) shows a pattern of correlation between two variables d) visualizes the current process step by step - d) visualizes the current process step by step True or False: The shape of a histogram can help assess both variations in data and the frequency of the occurrence of various data values - True A Pareto chart is used to _________________. a) capture readings, measures, or counts b) display the relative importance of problems in a simple, quickly interpreted, visual format c) record a measure of an item along a scale or continuum d) measure the central tendency - b) display the relative importance of problems in a simple, quickly interpreted, visual format True or False: A good tool to use while planning a construction project would be an activity network diagram (arrow diagram). - True An affinity diagram ___________________. a) narrows down options by systematically selecting and weighting Xs b) is used to create a detailed action plan c) improves implementation by contingency planning d) helps organize ideas and brainstorming results - d) helps organize ideas and brainstorming results Your team is faced with a very complex issue where cause and effect relationships will be difficult to identify. A good tool to use would be _______________________. a) a control chart b) a Pareto chart c) an interrelationship digraph d) FMEA - c) an interrelationship digraph True or False: For each risk included in the scope of the PDPC, a team will identify possible countermeasures for eliminating the risk or reducing the impact of the risk. - True Which of the following describes the objective of a prioritization matrix? a) narrows down options by systematically selecting and weighting Xs b) creates a detailed action plan c) improves implementation by contingency planning d) helps organize ideas and brainstorming results - a) narrows down options by systematically selecting and weighting Xs True or False: When using a prioritization matrix, the criteria are often weighted to make a better decision. - True This diagram is used to: a) show the relationships of a production process b) create new ideas in problem-solving c) outline the steps to implement a project - Tree Diagram You have collected output data on a milling machine over the last four months. Which of the following tools would help you point out the special cause variation in the process? a) check sheet b) Pareto chart c) fishbone diagram d) control chart - d) control chart You are planning your data collection. Which tool would be very helpful in collecting data? a) regression b) fitted line plot c) Pareto chart d) check sheet - d) check sheet True or False: A swim lane flow chart should break down the process by department or function. - True Histograms are used to ___________________. a) provide process control limits b) improve an implementation plan c) provide a way to evaluate the distribution of data d) break down a broad goal into increasing levels of detail - c) provide a way to evaluate the distribution of data One of the primary purposes of a Pareto chart is to _____________________________. a) illustrate the frequency of the problems occurring in a process b) show the process distribution c) show a pattern of correlation between two variables d) visually represent a process step by step - a) illustrate the frequency of the problems occurring in a process True or False: Boxplots and scatterplots allow us to look at the relationships between inputs (X variables) and the output (Y) of a process. - True True or False: The activity network diagram (arrow diagram) is a tool for scheduling sequential and simultaneous tasks. - True Your team has brainstormed a large list of customer requirements. A good next step would be to combine like ideas. A technique/tool that would be ideal for this job is _____________. a) control chart b) Pareto chart c) flow chart d) affinity diagram - d) affinity diagram True or False: You have constructed an interrelationship digraph and found a number of issues with a very close number of arrows. Although these issues must be reviewed carefully, in the end it is a judgment call, not science. - True This diagram is used to rate the strengths of relationships between two sets of data. - Matrix Diagram