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OM 300 Final Exam UA Chilcutt: Questions/Solutions
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OM 300 Final Exam UA Chilcutt: Questions/Solutions
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OM 300 Final Exam UA Chilcutt: Questions/SolutionsA Bottleneck is? Right Ans - Bottleneck is a limiting factor or constraint
► A bottleneck has the lowest effective capacity in a
system
What is the bottleneck time? Right Ans - bottleneck time is the time of the
slowest workstation (the one that takes
the longest) in a production system
IN control or out of control- investigate if? (look at graphs before tests)
Right Ans - there is erratic behavior (all over the place), run of 5 points above
or below the central line, 2 points below or near the high and low points,
trends in either direction, one point above or below.
Attribute and Variable Data Right Ans - Attribute data
- Product characteristic, evaluated with a discrete choice
Good/bad, yes/no
Variable data
- Product characteristic that can be measured
- Length, size, weight, height, time, velocity.
Natural Variation - Right Ans - Natural and Assignable Variation (d) If only
natural causes
of variation are present, the output of a process forms a distribution that is
stable over time and is predictable
Assignable Variation Right Ans - If assignable causes are present, the
process output is not stable over time and is not predicable
After enough
samples are taken from a stable process, they form a pattern called? What is
the solid line called? Right Ans - After enough samples are taken from a
stable process, they form a pattern called a distribution.
How do distributions differ? What is the normal distribution? Right Ans -
There are many types of distributions, including the normal (bell-shaped)
distribution,
but distributions do differ in terms of
, ▪ central tendency (mean),
▪ standard deviation or variance, and
▪ shape
TQM TOOLS FOR generating ideas Right Ans - Tools for Generating Ideas
- Check Sheet
- Scatter Diagram
- Cause-and-Effect Diagram
TQM tools for ORGANIZING DATA and Identifying problems? Right Ans -
Organize the Data
- Pareto Chart
- Flowchart (Process Diagram)
Tools for Identifying Problems
- Histogram
- Statistical Process Control Char
Six Sigma has what two meanings? It is a comprehensive system for? Right
Ans - - Statistical definition of a process that is 99.9997%
capable, 3.4 defects per million opportunities (DPMO)
- A program designed to reduce defects, lower costs,
save time, and improve customer satisfaction
A comprehensive system for achieving and sustaining
business success
Six Sigma Program Right Ans - Emphasize defects per million opportunities
as a
standard metric
• Provide extensive training
• Create qualified process improvement experts (Black
Belts, Green Belts, etc.)
• Set stretch objectives
Implementing Six Sigma Right Ans - A big commitment, especially from top
management
▪ The leaders have to
▪ formulate the plan,
▪ communicate their buy-in and the firm's objectives,
▪ take a visible role in setting the example for others
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