1
Pick an item and a network
Same items as the other Module 2 labs
Data card
2
Demand by regional store
Use these numbers for the tasks
Each store's weekly standard deviation is the item's total weekly standard deviation times the square root of the store's share of demand, so that independent stores add up to the national figure. Small stores are relatively more erratic. Stores are independent when the correlation is 0.
3
Your tasks
Answers are checked against the settings above
4
The pictures
Each unlocks as you finish its tasks
Safety stock: four regional stores or one warehouse
The square root law: safety stock as stores multiply
The trade-off: holding saving against extra freight
5