The Six Sigma course offered by Yousi College records the time it takes for students to complete their studies and pass the exam.
According to the statistics of Yousi College. The average time for black belt students is about 40 days, and 80% of them finish it within three months.
The advantage of online courses is that the study time is also more flexible, or it can be said that it is completely free, just depending on your ability and urgency.