A proposed structural model involves four constructs, two of which are exogenous. X1 and X2 together cause Y1, which in turn causes Y2. What term describes this model?

The rankings of teams in a tournament constitute a ________ scale

A) nominal B) ordinal C) interval D) ratio

Daily usage of an assembly is 100 in a facility that operates 300 days of the year. Setup cost is $5 and annualized carrying cost is $160. Production of this assembly occurs at the rate of 400 per day when production of the assembly is underway

Lead time is 3 days; safety stock is 1/2 day's production. What is the optimum kanban size, and number of kanbans?