1. Sharing buffers to handle multiple sources of variability is referred to

a. buffering

b. overflow

c. concentrator

d. pooling

2. A cost-effective approach to reducing buffering costs in a production facility is to

a. eliminate buffer

b. increase the flexibility of the buffer

3. What is the best definition of takt time?

a. it is a calculated time element that conveys customer demand

b. it's a speed at which parts must be manufactured in order to satisfy demand

4. increasing the performance in your company from 3 sigmas to 4 sigmas will reduce defects per million by a factor of

a. 10

b. 16

c. 8

d. 2

5. Five thousand units of product were examined to detect possible undesirable characteristics. A total of 80 defects were found. What is the approximate process sigma?

a. 1.6

b. 9.84

c. 3.10

d. 3.65