Which of the four cost-of-quality categories includes scrap and rework costs?
Quality Concepts
Question · Easy
Hundreds of balls make a bell curve
Short
The Pareto principle applied to quality improvement means that:
Chapter 1: Quality Philosophies, Principles, and Management Systems
1.1 Quality Philosophies & Pioneers
Study guide
Which of the seven basic quality tools is used to identify the potential causes of a specific problem?
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A histogram is best used to:
Which quality management concept holds that every defect provides an opportunity for improvement and that zero defects is an achievable goal?
Question · Medium
Fishbone diagram, x-rayed
A quality technician uses a flowchart during process analysis. The primary purpose of a flowchart is to:
1.2 Quality Management Systems, Standards & Documentation
In cost-of-quality terminology, the cost of calibrating measurement equipment is classified as:
A scatter diagram showing points that cluster along a line rising from left to right indicates:
Which of the following best describes a quality management system (QMS)?
Stats test: find the median
A team using a check sheet over two weeks finds that surface scratches account for 62% of all defects. The NEXT most useful tool to apply is:
1.3 Customer-Supplier Relationships & Quality Culture
The mean of the data set {4, 7, 7, 9, 13} is:
Statistics Spc
The range of a sample is defined as:
In a normal distribution, approximately what percentage of data falls within ±1 standard deviation of the mean?
A quality technician takes subgroups of n=5 parts every hour and plots the average length on an Xbar chart. What type of variation does the Xbar chart primarily monitor?
Chapter 2: Cost of Quality, Teams, and Professional Ethics
2.1 Cost of Quality (COQ) & Economic Trade-Offs
The upper control limit (UCL) for an Xbar chart is calculated using which formula?
Question · Hard
Which control chart is appropriate for monitoring the proportion of defective items in a variable sample size?
A process has a mean of 50 mm, an upper specification limit (USL) of 56 mm, and a lower specification limit (LSL) of 44 mm. The process standard deviation (σ) is 1.5 mm. What is the Cp?
Process Capability
Using the data from the previous scenario (mean=50, USL=56, LSL=44, σ=1.5), what is Cpk?
2.2 Quality Improvement Teams & Meeting Management
Pp and Ppk differ from Cp and Cpk primarily because:
A process is in statistical control but has a Cpk of 0.85. The best interpretation is:
In metrology, traceability of measurement means:
Metrology Calibration
A micrometer reads 25.00 mm when measuring a certified 25.00 mm gauge block. The micrometer's accuracy is:
2.3 Professional Conduct & ASQ Code of Ethics
Gage repeatability in a Gage R&R study refers to:
Which gauge is typically used for measuring internal diameters of bores?
What is the purpose of a calibration interval?
ANSI/ASQ Z1.4 is a sampling standard used for:
Sampling Plans
Chapter 3: Basic Quality Tools & Continuous Improvement
3.1 Process Mapping, Flowcharts, and SIPOC
In ANSI/ASQ Z1.4 sampling, 'AQL' stands for:
Under ANSI/ASQ Z1.4, if 2 defectives are found in a sample and the acceptance number (Ac) is 2, the lot should be:
ANSI/ASQ Z1.9 differs from Z1.4 in that Z1.9:
What is an inspection plan?
Inspection Test
3.2 Cause-and-Effect Analysis & Check Sheets
Which type of inspection occurs at incoming material receipt before it enters the production process?
A material review board (MRB) is convened primarily to:
Which disposition option allows nonconforming product to be used without rework because it still meets functional requirements?
A nonconformance report (NCR) is primarily used to:
3.3 Pareto Analysis & Prioritization
The primary purpose of first article inspection (FAI) is to:
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