Result after making change
Items not pre-priced
Have to look up all items
Pre-price items causes
lesser wait time in line.
Lines build up
Wait time and lack of
Lines not building up allow
for more w
We had over 80,000 participants enrolled in last course
Over 80% were in business; not students, but running real operations
As a professor, I believe that everyone benefits from the academic content of my course
This is supported by our
Purpose of this video is to explain to you:
- The course objectives and the format
- The course material, in particular the text book
- The course outline
- The requirements to complete the course; in particular the two tracks
(a) an acad
Current problemResult after making changeItems not pre-pricedHave to look up all itemsPre-price items causes lesser wait time in line.Lines build upWait time and lack of customer service/interactionLines not building up allow for more work out
Module 3 Practice Solutions
Total # of available appointments per day = 2 appointments/hr x 10 h = 20. Subtract 4
appointments for electronic medical record-keeping = 16 available appointments per day.
Actual # of appointments booked per d
No of stations
Probability of defect
Products with defect
Products found with defects
Defects not found
Defects after rework
Defective units are shipped
90.46% (1-defect %)^(no of
Module 2 - Homework Solutions
Chiemsee Knee Replacement Clinic
Each of the 3 surgeons has 4 hours or 240 min available per day. Each patient takes 90 minutes
of OR time (10 min preparation + 60 min proced
Not many equations in this course, and so
let's greet every one of them that we
encounter with great joy.
Time for the first equation in this
This equation is known as Little's Law.
Little's Law states that, in any process,
the average inventory i
In an earlier session, we saw the drivers
of flow rate.
We learned that the flow rate was driven
by the minimum of demand in capacity,
where capacity, in turn, was driven by the
bottleneck of the process.
In this session, we'll discuss the drivers
This session is a review session for
If you feel comfortable with all the
content that we have covered in this
module, you don't need to attend today's
What I want you to do in that case, is
simply go to the Coursera site, and test
Many interesting operations are somewhat
more complicated than what we can analyse
presently with our toolbox.
One reason for this complexity is
that many processes need to serve multiple
types of flow units.
Think of an Emergency Department.
Ratio Calculations for Year 2011 (source: MIT AIRLINE DATA PROJECT)
Total Revenue (B)
Labor Cost (B)
American Continental Delta
US Airways Southwest jetBlue
Operations Christian Terwiesch
What is operations management about?
What operations management does?
Subway (many examples)
4 dimensions of performance