Frequently Asked Questions (FAQs) – Lean Six Sigma

FAQs for Students in the Online Lean Six Sigma Green Belt, Lean Principles, or Lean Six Sigma Black Belt  Courses


Is the password for accessing the video server (for lecture videos) different than my Blackboard password?

Yes. You have a Blackboard username and password that you use each time you log in to Blackboard. Once you are in Blackboard, you will see a link that takes you to the video server for watching or downloading the lecture videos. The password you need for accessing the lecture videos was provided in your email of instructions sent about a week before the course started.

Lecture Videos

What if I can’t get the lecture videos to play?

The video lecture files are in MP4 format and have been configured to play as either streaming video through your media player, or you can download the file to your computer or handheld media player to view when you’re not connected to the Internet. Your Internet connection speed can make a difference in the rate of buffering during playback and also the time required to download a video. Rarely, security/firewall settings on your computer and/or data network will prevent you from downloading or viewing the videos. This usually happens only on secure computers or corporate networks. Here is a page with a sample lecture video for testing your computer’s ability to play the lecture videos. Sample Lecture Video File

Occasionally, a student’s computer setup is not correct for playing the videos in one of the above methods. If you cannot stream the videos by left clicking on the file you want to watch, then do a “right click” with your mouse and select “save target as” and save the file to your computer’s hard drive. When the download is complete, “right click” on the file and select “open.” If the file doesn’t play, do the same procedure, but select “open with” a different media player.

Sometimes a Web browser tries to open the lecture video files with Real Player if that is your default player. Most browsers have an Options area where you are able to change the default program to be used to play any video files.

If the video still won’t play after trying the above suggestions, try copying the URL (to the lecture video file), then open your media player (rather than clicking on the lecture video file to start it). Then in the player menu, select “File/Open URL” and paste the link into the text box and hit “Enter.” You will likely only have to do this process once and it usually corrects any problems other than firewall restrictions. If these options don’t work, please try a different computer such as one at your local library, or seek to have the setup on your own computer modified to accommodate the playing of an MP4 video file.

If you don’t have a media player installed or the player you do have installed is not successfully playing the videos, you may try installing VLC Media Player, a free and open source cross-platform multimedia player that plays most multimedia files as well as DVD, Audio CD, VCD, and various streaming protocols.

Course Quizzes in Blackboard

I don’t think I got full credit for a fill-in-the-blank question in one of the quizzes. What should I do?

This question comes up when a student has responded to a fill-in-the-blank question with more words than the assessment is requesting. When you do get a fill-in-the-blank, be sure to read the context before and after the question. For instance, if the word “percent” is already showing after the blank that you need to fill in, then you don’t want to type the word “percent” or the sign “%” because it will cause you to get the answer wrong. Just type the number that you think is the correct answer, such as 20 or twenty. Most of the fill-in-the-blank questions have been adjusted so that the first few letters of the word you need to complete are already provided. The quizzes are open for two weeks and you can take them up to three times. The system automatically retains the highest score from your attempts. The quiz questions refresh, so you will see a different set of questions for each attempt. The fill-in-the-blank questions are random and as a result are not always included by the system in every attempt.

Why can’t I see the correct answers to the quiz questions after I’m done with a quiz?

Due to a decision about the instructional design of the course, relating in particular to the course rigor and the rigor of the final exam, the system is set so that printouts of all the quiz answers are not accessible (some of the quiz questions reappear in the final exam). You will always have access to your quiz scores. And during the time that a quiz is open, you can take the quiz up to three times as you work towards attaining the best score. The system retains the highest score from all quiz attempts.

How to Re-Enroll

I received a notice that I did not pass the course. What steps do I take to re-enroll?

You must earn the minimum 80% of the available points in each of the courses in order to be successful. It is also a requirement that your assignments be turned in during the week that they are due, and that your weekly quizzes are completed. Please check the syllabus for details about the specific requirements. If you are missing an assignment or a quiz when the course ends, you will not pass the course, even if you have the required minimum number of points. Make sure to get your assignments and quizzes submitted by the weekly deadlines. Please refer to the letter from your instructor for details about how to work around special circumstances that might keep you from turning in an assignment or completing a quiz within the required time frame.


What are CEUs and how do I get them for the Lean Six Sigma Green Belt course, the Lean Principles course, or the Lean Six Sigma Black Belt course?

The Lean Six Sigma Green Belt course is certified for 4.5 CEUs (continuing education units) from Purdue University. The Lean Principles course is certified for 3.5 CEUs and the Lean Six Sigma Black Belt course is certified for 9.0 CEUs. If you successfully complete the course, you will have the option of completing a form for the CEUs for a particular course, and Purdue will keep track of them in a cumulative CEU database. Some professions require that individuals earn a certain number of CEUs each year to maintain a license or to support professional development. We leave it up to each student to fill out the form and return it for the CEU credit after you successfully complete each course. It does not require an additional fee. Please note that everyone who successfully completes the course receives a printed certificate of completion from Purdue University.

Certification Exam

Do I have to take a separate certification exam after I complete any of the courses in the series?

No. Each of the courses in the Purdue online Lean Six Sigma series has a final exam built into the course. The final exam is taken during the last week of learning and it is an online exam. A score on the final exam is one of the required elements for passing the course. You also will have case study assignments to submit for the Lean Six Sigma Green Belt; tools assignments in the Lean Principles course; and a management-approved project in the Lean Six Sigma Black Belt.

Currently, there is not a standard governing organization for Lean or for Six Sigma certification, so many of the educational providers incorporate the certification process right into their courses. Other providers will have you pay a separate fee to take an exam after you have completed their course.

Learning Activities

What are the various learning activities in the online Lean Six Sigma courses?

Learning activities in the Lean Six Sigma Green Belt and Lean Principles courses include: reading, watching video lectures that cover key topics in the course material, available 24/7, (LSS Green Belt-10 weeks; Lean Principles-8 weeks); participating in asynchronous online discussions, taking online self-tests, quizzes, completing assignments, and a final exam. The Black Belt course utilizes a more advanced and in-depth use of the methods and tools of Lean and Six Sigma than the prerequisite online Lean Six Sigma Green Belt course. The Black Belt course requires project deliverables in addition to all of the items noted above for the other two courses. The course includes a span of about 23 weeks, which includes four to five weeks of pre-work. For information on our more advanced course, please visit: Lean Six Sigma Black Belt. You will have an opportunity for coaching via email and phone with your instructor.

Tech Support

If the above FAQ answers do not address a specific question about accessing the course materials in Blackboard, please send an email to: Engineering Professional Education at Purdue University to:

After hours, please check with Information Technology at Purdue (ITAP) online at:
Their standard hours of operation are: Monday-Thursday 7 a.m. – 8 p.m.; Friday 7 a.m. – 6 p.m.; Saturday 11 a.m. – 5 p.m.; and Sunday 1 – 6 p.m. Please provide your full name, course title and section, and tell them this online Blackboard course is a non-credit offering through Purdue Engineering Professional Education after calling (765) 494-4000 and selecting option 2 for students.

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