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IndM 5222 Principles and Practices of Lean Systems

Midterm Exam

Instruction:

The exam consists of a series of questions in which factual knowledge analytical and
creative skills are explored in any area relevant to Lean Six Sigma Systems. Use systems and
principles that we discussed in the class virtual chat, textbook, together with more research and
your own practical idea to complete this exam.

You are to write on Three essay questions (25 points each, a total of 75 points). You will
select from these provided questions. How you say it is as important as what you say. Organize
your thoughts and plan the answer to the questions, Try to use the templates from ASQ or
SmartArt from Word Document to create nice diagrams. Word your answers carefully and
completely, supporting each answers with facts and reasoning. Cite references when appropriate.
Answers for each question should be at least 150 words, use Microsoft Word, Time New Roman,
12 font, double space.

The exam must be submitted in the Assignment area, name the file: your last
name_exam, under folder “Midterm Exam”.

Select 3 out of 5 questions

1. Explain the elements and concepts of Kaizen, Kanban and JIT (Just-in-Time). How does
they relate to Lean production? Also you will explain and give an example of Lean
systems that can be applied into your daily life.

2. Develop a flowchart and cause-and-effect diagrams for the followings:

a. A flowchart of the process you use to study for an exam. How might you improve
this process?

b. A cause-and-effect diagrams of ‘late for work or school’.

Explaining involved steps or/and related factors in details.

3. A large hospital identified the following strategic priorities:

– Patient safety
– Few hassles for patients and families
– Workforce well-being
– Operational efficiency

Suggest some measures that link to these strategic priorities. You might wish to do some
research on how hospitals measure patient safety and clinical excellence.

4. Observe a business with which you are familiar and interact with frequently, such as a
restaurant or food service, a laundry service, your bank, or the college bookstore.

a. Develop a Pareto chart that encompasses the major service defects of the
business, identify the most significant service problems and suggest how quality
could be improved.

b. To prevent some incorrect actions and/or defects of your selected business,
develop at least 2 mistake proofing (Poka Yoke) items from your observation.

5. With the football season, the program want to develop its budget for the coming year
using a forecast for football attendance and promotions. The business manager has
accumulated total of annual attendance figures and promotions for the past eight years.

Wins
Promotions

($) Attendance
4 29500 36300
6 55700 40100
6 71300 41200
8 87000 53000
6 75000 44000
7 72000 45600
5 55300 39000
7 81600 47500

Given the number above, develop the equation to forecast attendance for wining 7 games
next year. Students will explain the equation, correlation, and coefficient of
determination.

a. Using Linear Regression to forecast relationship between wins-attendance
b. Using Linear Regression to forecast relationship between promotions-attendance
c. Using multiple Regression to forecast relationship between promotions-attendance

Note: From your course textbook, Regression analysis is in Chapter VII Analysis Techniques

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