Final · 11 · 10 min
Final exam
The final exam: ten questions on numbers and decisions, all on Northstar. Get eight right to complete the course and unlock your certificate. Every answer explains itself, and you can retake it as often as you like.
1. Northstar's catalogue orders and repeat orders run through the same departments in the same way. New custom designs add engineering and special materials. How many L3 processes does Order to Cash need?
2. A RACI row for "order delivered on the promised date, end to end" has Sales and Engineering both marked A. What is wrong?
3. The head of Engineering says reviews take under two days. Order data shows 1.5 days of review and 4 days of waiting before it. What is the right conclusion?
4. 15 % of orders fail final inspection. The 5 Whys lead to: customer changes agreed by phone never reach CAD/PLM. Where do you stop?
5. The typical order takes 28 days with 10.5 days of work. 15 % of orders fail inspection, adding 18 days each. What is the average lead time?
6. Engineering has 1,440 hours available and 1,380 hours of demand. Twelve orders wait on average and three are finished a day. How long does an order wait?
7. 27 orders a quarter are remade at EUR 2,300 each. What does rework cost a year?
8. Design A gives engineers an AI assistant in today's process: lead time 28 → 24.7 days. Design B redesigns the flow with triage, parallel steps and a revision check: 21.3 days and first-pass yield 85 → 92 %. Why choose B?
9. A new automated check scores 85 % on 40 expert test cases. The pass mark agreed upfront is 95 %. What do you do?
10. On-time delivery has eight weeks in a row below the centre line, all inside the control limits. What is it?
After this module you can
- Show you can apply the course to a real case, from the landscape to the next improvement cycle