When conducting a time study, a processed is observed and timed. Then a performance rating is applied to the observed time to compute a normal time. What is the reasoning behind applying a performance rating?

What are type I errors and type II errors in regards to control charts? Why would a company be concerned with these errors?

What is the purpose of the Ishikawa Fishbone (Cause and Effect Diagram) quality tool?

In waiting lines, what is the relation between a service time and service rate? Which is used for waiting line models?

A waiting lines model has an arrival rate of 6 customers per hour and a service rate of 4 customers per hour. Would you support using 7 servers in this situation? Why or why not?

The nave forecasting method is ridiculously simple. Why is it considered a valid forecasting method? What are the advantages to using it?

Identify and describe four factors that make a good forecast.

In the design of work systems and job design, specialization is one approach to creating a process. What are the advantages and disadvantages to job specialization for a process?