ISDS 3115 Exam 2 Questions And
Correct Answers
The phrase Six Sigma has two meanings. One is statistical, referring to an extremely
high process, product, or service capability; the other is a comprehensive system for
achieving and sustaining business success.
T/F
true
Quality circles empower employees to improve productivity by finding solutions to
work-related problems in their work area.
T/F
true
Which of the following is NOT one of the major categories of costs associated with
quality?
A. internal failure costs
B. prevention costs
C. appraisal costs
D. external failure costs.
E. None of the above; they are all major categories of costs associated with quality
E. None of the above; they are all major categories of costs associated with quality
,A successful TQM program incorporates all EXCEPT which of the following?
A.centralized decision-making authority
B.continuous improvement
C.benchmarking
D.employee involvement
E.JIT
A. centralized decision-making authority
A production manager at a pottery factory has noticed that about 70 percent of
defects result from impurities in raw materials, 15 percent result from human error,
10 percent from machine malfunctions, and 5 percent from a variety of other
causes.This manager is most likely using:
A.a quality loss function.
B.a scatter diagram.
C.a Pareto chart.
D.a cause-and-effect diagram.
E.a flowchart.
C. a Pareto chart.
When sample measurements falls inside the control limits, it means that:
A.the process output exceeds the requirements.
,B.if there is no other pattern in the samples, the process is in control.
C.the process output does not fulfill the requirements.
D.each unit manufactured is good enough to sell.
E.the process limits cannot be determined statistically.
B. if there is no other pattern in the samples, the process is in control.
Mistakes stemming from workers' inadequate training represent an assignable cause
of variation.
T/F
true
If the process average is in control, then the process range must also be in control.
T/F
false
To measure the voltage of batteries, one would sample by attributes.
T/F
false
A lot that is accepted by acceptance sampling is certified to be free of defects.
, T/F
false
The purpose of an x-bar chart is to determine whether there has been a:
A.change in the number of defects in a sample.
B.change in the dispersion of the process output.
C.change in the AOQ.
D.change in the percent defective in a sample.
E.change in the central tendency of the process output.
E. change in the central tendency of the process output.
Up to three standard deviations above or below the centerline is the amount of
variation that statistical process control allows for:
A.all types of variation.
B.assignable variation.
C.Type I errors.
D.about 95.5% variation.
E. natural variation.
E. natural variation.
A firm's process strategy is its approach to transforming resources into goods and
services.
Correct Answers
The phrase Six Sigma has two meanings. One is statistical, referring to an extremely
high process, product, or service capability; the other is a comprehensive system for
achieving and sustaining business success.
T/F
true
Quality circles empower employees to improve productivity by finding solutions to
work-related problems in their work area.
T/F
true
Which of the following is NOT one of the major categories of costs associated with
quality?
A. internal failure costs
B. prevention costs
C. appraisal costs
D. external failure costs.
E. None of the above; they are all major categories of costs associated with quality
E. None of the above; they are all major categories of costs associated with quality
,A successful TQM program incorporates all EXCEPT which of the following?
A.centralized decision-making authority
B.continuous improvement
C.benchmarking
D.employee involvement
E.JIT
A. centralized decision-making authority
A production manager at a pottery factory has noticed that about 70 percent of
defects result from impurities in raw materials, 15 percent result from human error,
10 percent from machine malfunctions, and 5 percent from a variety of other
causes.This manager is most likely using:
A.a quality loss function.
B.a scatter diagram.
C.a Pareto chart.
D.a cause-and-effect diagram.
E.a flowchart.
C. a Pareto chart.
When sample measurements falls inside the control limits, it means that:
A.the process output exceeds the requirements.
,B.if there is no other pattern in the samples, the process is in control.
C.the process output does not fulfill the requirements.
D.each unit manufactured is good enough to sell.
E.the process limits cannot be determined statistically.
B. if there is no other pattern in the samples, the process is in control.
Mistakes stemming from workers' inadequate training represent an assignable cause
of variation.
T/F
true
If the process average is in control, then the process range must also be in control.
T/F
false
To measure the voltage of batteries, one would sample by attributes.
T/F
false
A lot that is accepted by acceptance sampling is certified to be free of defects.
, T/F
false
The purpose of an x-bar chart is to determine whether there has been a:
A.change in the number of defects in a sample.
B.change in the dispersion of the process output.
C.change in the AOQ.
D.change in the percent defective in a sample.
E.change in the central tendency of the process output.
E. change in the central tendency of the process output.
Up to three standard deviations above or below the centerline is the amount of
variation that statistical process control allows for:
A.all types of variation.
B.assignable variation.
C.Type I errors.
D.about 95.5% variation.
E. natural variation.
E. natural variation.
A firm's process strategy is its approach to transforming resources into goods and
services.
