A company implemented a computerized Kanban system that required a considerable amount of asset investment. However, the performance enhancement was not as much as expected. Which of the following correctly explains the reason for this phenomenon?
a. The advantage of the Kanban system is its simplicity and physicality and not the concept itself
b. The computer system was not properly set up according to the characteristics of the process being controlled
c. There was to many virtual Kanban cards in the system
d. The manufacturing environment was not suited to a Kanban system
Question 2
The randomized block design with two treatments is equivalent to a non-directional:
a. independent samples z-test.
b. independent samples t-test.
c. dependent samples z-test.
d. dependent samples t-test.
e. chi-square test for independence.
