Reference no: EM132224294

1. Which one of the following is FALSE regarding learning curves?

(1) The learning curve may spike for a short time even if it is going to drop in the long run.

(2) Changes in process can change the learning curve.

(3) Learning curves differ from company to company.

(4) Changes in personnel can change the learning curve.

(5) The same learning curves are used for indirect labor as are used for direct labor.

2. Little's Law states:

Work-in-Process (WIP) = Setup time x order quantity

Production (lot) size = Order quantity x lead times / setup time

Cycle time = Work-in-process (WIP) / Throughput

Throughput = Cycle time / production quantity x customer order size

3. Which of the following statements is most correct?

In the lexicon of Lean, errors and defects are the same.

Errors are more costly than defects.

Defects will always happen, errors can be avoided.

Errors are impossible to avoid, defects can be entirely eliminated.

4. In multiple regression, the __________ procedure aids researchers in finding violations of the assumptions of regression.

forward selection

residual analysis

backward elimination

stepwise regression