Q1: For a process, the process capability index can never be greater than the process capability ratio when using the same tolerances and process standard deviation.

a. True

b. False

Q2: Which of the following statements about learning curves is best?

a. Underestimated learning effects may cause overestimation of capacity needs.

b. Learning improvements always follows a consistent pattern.

c. An 80% learning curve means that each unit takes 20% less time than its immediate predecessor.

d. None of these are correct.

e. Frequent design changes and reengineering have no effect on learning rates.

Q3: Activities that take place closer to the customer are called upstream activities.

a. True

b. False