OPMA CH 10
An assumption in p chart calculation is that the sample size is which of the following?
FIXED
________ are characteristics that can be measured numerically, such as weight, length, or diameter.
variables
Six sigma programs attempt to reduce the number of defects produced by reducing the ______ of a process
variation
Six Sigma refers to
- A description of the quality goal of no more than 3.4 defects per million opportunities - A quality improvement philosophy and program
Which of the following are typical objectives of process control plans?
-Provide information about whether items are meeting design specifications -Detect shifts in the process
which of the following are the four main issues to address in creating a control chart?
-The size of the samples -The frequency of sample -The number of samples -The control limits
Which of the following are assumptions that justify the costs of quality? 1. Failures are caused 2. Prevention is cheaper 3. Performance can be measured
1, 2, and 3
The cost of quality has been estimated at what percentage of every sales dollars?
15-20%
What is the minimum number of samples suggested for control charts with variable measurement?
25
The most important part of an operating characteristic curve is between the ____ and the LTPD.
AQL
Which letter denotes the maximum number of defective items that can be found in the sample before the lot is rejected?
C
Which of the following is used to measure how well our process is capable of producing relative to the design specifications
Capability Index
Which of the following is variation that is the inherent in the process itself?
Common Variation
Which quality term refers to the degree to which the product or service design specifications are met?
Conformance
what term refers to the inherent value of the product in the marketplace?
Design Quality
The process of looking outside the company to compare the firm to excellent performers is called _________ benchmarking.
EXTERNAL
According to a rule of thumb, for every dollar that you spend in prevention, you can save $10 in what type(s) of costs?
Failure Appraisal
What is the ISO certification regarding quality management requirements in business-to-business dealings?
ISO 9000
ISO ______ standards are concerned with business-to-business transactions while ISO _____ standards are concerned with environmental management,
ISO 9000: everyday business transactions. ISO 14000: environmental management
Which of the following is not an example of a situation where statistical quality control can be applied?
Leaves on the ground below a tree. stat quality control examples: - hotel rooms clean when customers check-in - pain defects in the finish of a car - time to serve customers from a drive-thru window
You are a manager that has calculated the DPMO to be 10,000. Is this process meeting Six Sigma Standards?
NO
Which distribution is used to calculate the probability of producing a defect?
NORMAL
Which of the following is the control chart that measures the fraction defective of each individual sample tested?
P Chart
Brand name recognition is an example of which dimension of quality?
Perceived Quality
The underlying distribution for the c-chart is which of the following?
Poisson
Which two control charts are typically used together?
R CHART & X BAR CHART
the range of allowable values associated with a process (given the intended use of the products is known as which of the following.
Specifications limits
Which of the following is a quality management standard developed specifically for the telecommunications industry?
TL 9000
True or false: The effect of setting specification limits on product design allows businesses to monitor processes against these limits
TRUE
What do SIx Sigma programs seek to reduce in processes?
Variation
What chart is a plot of the averages of the samples that were taken from a process?
X BAR CHART
When measurements from periodic samples stay _____ the control limits the process can be assumed to be working properly.
between
When calculating control limits for a c-chart, c represents the average number of ____ per unit.
defects
ISO documents provide detailed requirements for meeting the standards and describing the tools used for improving quality in the firm. These documents are:
generic and applicable to any organization producing products or services.
Which type of quality cost deals with scrap, rework and repair?
internal failure costs.
Expenditures related to achieving product or service quality include all of the following except:
manufacturing costs
which of the following is defined as the difference between the highest and lowest numbers in a sample?
range
When a customer audits its supplier in regards to ISO certification, this is referred to as a _________ certification.
second party
When measuring variables, it is often preferable to use a small sample size because
small samples are less costly small samples can be gathered quickly
To achieve quality at the source, who is responsible for ensuring that quality specifications are met?
the person doing the work
True or false: total quality management requires companies to deal with all the dimensions of products and services that important to the customer.
true