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HCAD 325 Final Exam Questions and Answers
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HCAD 325 Final Exam Questions and Answers
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HCAD 325 Final ExamJose is the supervisor of the laboratory. One of his testing machines seems to be giving different results
for the same sample. To make sure he is delivering correct results, Jose uses a second machine to check
the results of the first. This action represents which cost of quality type?
a. Prevention
b. Internal failure
c. Appraisal
d. External failure - Answer-c. Appraisal
Which of the following is not a common theme found in successful Six Sigma programs?
a. Top management support
b. Use of quantitative measures
c. Use of Taguchi methods
d. Team-based projects - Answer-c. Use of Taguchi methods
The term "Six Sigma" represents what goal?
,a. Six standard deviations from the median
b. 3.4 defects per million opportunities
c. Six defects per million opportunities
d. Sigma level quality - Answer-b. 3.4 defects per million opportunities
Jose, the lab manager, wants to improve the quality in his laboratory with a Six Sigma program. He
wants Sandy, his chemistry supervisor, to attend a Six Sigma training program so that she can oversee all
Six Sigma projects that will occur in the lab. Sandy will be trained as a ______________.
a. master black belt
b. yellow belt
c. green belt
d. black belt - Answer-d. black belt
What is the correct project cycle for a Six Sigma project?
a. Analyze, define, measure, improve, control
b. Measure, define, analyze, improve, control
c. Define, measure, analyze, improve, control
d. Define, improve, analyze, control - Answer-c. Define, measure, analyze, improve, control
What variables are measured in the measurement phase of a Six Sigma project?
a. Process duration, process variability, critical to quality
b. Process input, process output, process duration
c. Process input, process output, critical to quality
,d. Process error rate, process output, process duration - Answer-c. Process input, process output,
critical to quality
Which tool is not part of the analyze phase of a Six Sigma project?
a. Regression analysis
b. Gantt chart
c. Pie chart
d. Bar graph - Answer-b. Gantt chart
Jose is checking his laboratory equipment using test control samples that are designed to give the same
results and are used to calibrate the equipment. When he runs 100 samples, he gets two results that are
greater than 3 standard errors of the mean. These results are called what?
a. 2 sigma quality
b. Special variation
c. Error bars
d. Common variation - Answer-b. Special variation
Jose is measuring the time it takes a technician to do a new test. He expects the test to take no more
than 5 minutes and no less than 3 minutes. After observing a number of tests, he calculates the standard
deviation of the test as 0.3 minutes. What is the process capability of the test?
a. 0.0
b. 1.8
c. 1.1
d. 2.0 - Answer-c. 1.1
, Jose has a new test that has three steps. He calculates that in each step some of the sample must be
discarded. Step 1 has a discard rate of 2 percent, step 2 has a discard rate of 5 percent, and step 3 has a
discard rate of 1 percent. How much of the sample is available after step 3?
a. 82.0 percent
b. 75.5 percent
c. 86.5 percent
d. 99.1 percent - Answer-c. 86.5 percent
What is the primary goal of Lean?
a. Eliminate defects
b. Eliminate waste
c. Improve financial performance
d. Maximize employee productivity - Answer-b. Eliminate waste
Tiffany is the day shift supervisor in the imaging department. She has redesigned the patient intake
system so that patients are only asked their name and birthdate once. The old system asked the patient
this information three times. What type of waste did Tiffany reduce?
a. Waiting
b. Motion
c. Overproduction
d. Overprocessing - Answer-d. Overprocessing
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