Task: Please assist with answering the following questions:
Question 1) Explain the differences between qualitative and judgmental, statistical time-series, and explanatory/causal forecasting models.
Question 2) Describe some common forecasting approaches for judgmental forecasting.
Question 3) What is the difference between variables and attributes?
Question 4) Describe the meaning of the term in control.
Question 5) Describe the steps involved in applying statistical process control.