Its a statistical case study.
Read
the following experimental variation scenario:
To
help you learn about measurement variation, try this experiential learning
exercise. (We are indebted to Alan Goodman, DuPont Company, Wilmington,
Delaware, for bringing this exercise to our attention.)
You
have started a new business providing height measurements of humans. Your
customers expect accurate and precise measurements. You offer two methods of
measurement: (1) a yardstick or a meter stick, and (2) a tape measure. You need
to test the two methods to evaluate their performance and provide the results
to your customers.
For
this experiment you will need the following tools:
·
A yardstick or meter stick
·
A tape measurer
·
Access to an entrance door that is 6 feet or taller
·
A group of 20 or more people (they do not have to be gathered at
the same time, but it should be 20 different people that participate).
You
will test Method 1 in this way: Identify a group of 20 or more people. You will
ask the group of 20 or more people to measure the height of the entrance door
that is approximately 6 feet or taller. Be sure that the entrance door is the
same for each member of the group. Each person will measure the height of the
door using the yardstick or the meterstick and will silently report the
measurement to you or to someone you have designated as the data collector. You
will then tabulate the data and plot each measurement on a run or sequence
chart. No deviation from the prescribed method is allowed.
In
method 2, you may use the same, or a different, group of 20 or more people and
the same or a different entrance door. This time, the group will use the tape
measure in any way the group members desire. Again, each person silently
reports the measurement of the entrance door to you or a designated data
collector, and you will tabulate and plot each data point.
You
will then create a PowerPoint presentation that includes each of the following
items:
1.
Compare the accuracy and precision of the two methods using
graphical and analytical methods. Which method was more accurate? Develop a
flow chart for each method in which you specify the key problems that might be
present. Develop the supplier, input, process steps, output, and customer
(SIPOC) model to analyze the process of both methods. This can also be done in
the flow chart. (Please reference these instructions on how to create a flow chart in Microsoft Word.)
2.
Analyze the flow chart and SIPOC model to identify opportunity for
improvement (OFI). Next, categorize whether the OFI are caused by special
causes or common causes variations. Provide a rationale for your response.
Which method of measurement would you recommend? Why? Should different methods
be used under different circumstances? Consider the role of different customer
segments.
3.
Discuss the feelings the group(s) had when using the two methods.
What were the differences between the two sets of feelings? Are these
differences important?
identify at least
two (2) quality references to support your discussion.
Your
assignment must follow these formatting requirements:
·
A PPT presentation with at least 8 slides that include the
responses to numbers 1 through 3 above.
·
A references slide which follows APA format. Check with your
professor for any additional instructions.
·
Formatting of the slides should be consistent and easy to read.
·
Cover slide containing the title of the assignment, the student's
name, the professor's name, the course title, and the date.
Read the following experimental variation scenario:
To
help you learn about measurement variation, try this experiential learning
exercise. (We are indebted to Alan Goodman, DuPont Company, Wilmington,
Delaware, for bringing this exercise to our attention.)
You
have started a new business providing height measurements of humans. Your
customers expect accurate and precise measurements. You offer two methods of
measurement: (1) a yardstick or a meter stick, and (2) a tape measure. You need
to test the two methods to evaluate their performance and provide the results
to your customers.
For
this experiment you will need the following tools:
·
A yardstick or meter stick
·
A tape measurer
·
Access to an entrance door that is 6 feet or taller
·
A group of 20 or more people (they do not have to be gathered at
the same time, but it should be 20 different people that participate).
You
will test Method 1 in this way: Identify a group of 20 or more people. You will
ask the group of 20 or more people to measure the height of the entrance door
that is approximately 6 feet or taller. Be sure that the entrance door is the
same for each member of the group. Each person will measure the height of the
door using the yardstick or the meterstick and will silently report the
measurement to you or to someone you have designated as the data collector. You
will then tabulate the data and plot each measurement on a run or sequence
chart. No deviation from the prescribed method is allowed.
In
method 2, you may use the same, or a different, group of 20 or more people and
the same or a different entrance door. This time, the group will use the tape
measure in any way the group members desire. Again, each person silently
reports the measurement of the entrance door to you or a designated data
collector, and you will tabulate and plot each data point.
You
will then create a PowerPoint presentation that includes each of the following
items:
1.
Compare the accuracy and precision of the two methods using
graphical and analytical methods. Which method was more accurate? Develop a
flow chart for each method in which you specify the key problems that might be
present. Develop the supplier, input, process steps, output, and customer
(SIPOC) model to analyze the process of both methods. This can also be done in
the flow chart. (Please reference these instructions on how to create a flow chart in Microsoft Word.)
2.
Analyze the flow chart and SIPOC model to identify opportunity for
improvement (OFI). Next, categorize whether the OFI are caused by special
causes or common causes variations. Provide a rationale for your response.
Which method of measurement would you recommend? Why? Should different methods
be used under different circumstances? Consider the role of different customer
segments.
3.
Discuss the feelings the group(s) had when using the two methods.
What were the differences between the two sets of feelings? Are these
differences important?
identify at least
two (2) quality references to support your discussion.
Your
assignment must follow these formatting requirements:
·
A PPT presentation with at least 8 slides that include the
responses to numbers 1 through 3 above.
·
A references slide which follows APA format. Check with your
professor for any additional instructions.
·
Formatting of the slides should be consistent and easy to read.
·
Cover slide containing the title of the assignment, the student's
name, the professor's name, the course title, and the date.
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