EXAM 4 AND 5
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Villanova University *
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120
Subject
Industrial Engineering
Date
Jan 9, 2024
Type
txt
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3
Uploaded by MajorSummer12908
EXAM 4 AND 5
What are the primary uses of a defect location check sheet?
To reveal the location on a part where defects are occurring At the performance indicator identification tollgate, which of the following is true?
Your sponsor will want to know exactly what you are going to measure If you have data in reports already, you should have that information available for your sponsor If there are things close to what you need, you should be able to explain why we are not using those All of the above (ANSSWER)
Baseline data plays an important role in project success because it facilitates
Team selection Benefit estimation Project planning B and C (ANSWER)
Which of the following statements is NOT true?
One should hope to never have a negative correlation When you have a bell-shaped curve, none of the five M’s or one P are
Unduly influencing the process An example of attribute data is
Cycle time Oven temperature Tire pressure None of the above (ANSWER)
Which of the following is the most important thing to look at when analyzing a histogram?
The shape Which of the following is NOT true of standard deviation?
It is easily calculated What’s the difference between populations and samples?
Populations are a complete collection of things; samples are a subset of a population
What is an advantage of Defects per Unit (DPU) over Rolled Throughput Yield (RTY)?
It accounts for multiple defects per unit of production What is the minimum recommended sample size for collecting discrete data?
100
Pareto was an Italian economist famous for the 80/20 rule, which means 80 percent of wealth belongs to 20 percent of the population
The purpose of a Gage R&R is
To determine the precision of the measurement system To determine the percentage of total variation that is due to the measurement system To determine the repeatability and reproducibility of the measurement system All of the above (ANSWER)
What are the benefits of a box and whisker plot?
They summarize data from multiple sources and display the results in a single graph What is a stem and leaf display?
display that shows the shape of the distribution of the data
Why should a sample be random?
SO that it is representative of the population
A bimodal distribution means that There is "two of something" impacting the process A run chart can reveal
Points out of control Shifts Trends B and C only (answer)
What is an example of a nominal-is-best quality characteristic?
The time required to complete a project (from the perspective of the organization) The test score of this test The cost of a car repair (from the perspective of the car owner) (wrong answer)
None of the above A trend is
Seven points in a row (rule of thumb) below the center line Seven points in a row (rule of thumb) above the center line (wrong answer)
Seven points in a row (rule of thumb) in zone A None of the above Counted data is
Discrete Which of the following measures of dispersion is used ONLY with the mean?
Range Interquartile range Mode None of the above (answer)
The most important thing teams should consider when deciding what customer data to collect
Are the measures actionable? What term describes the probability that a product or service will go through all steps of the process without a defect? Rolled throughput yield
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