Author Question: The moving averages method refers to a forecasting method that: a. moves up the average of every ... (Read 107 times)

vinney12 · **on:** Jun 24, 2018

The moving averages method refers to a forecasting method that:
a. moves up the average of every subsequent forecast by one.
b. uses regression relationship based on past time series values to predict the future time series values.
c. relates a time series to other variables that are believed to explain or cause its behavior.
d. uses the average of the most recent data values in the time series as the forecast for the next period.

Question 2

Variations in process output that are caused by events that in general cannot be eliminated without changing the process are:
a. assignable variations.
b. random variations.
c. out of control variations.
d. None of these.
e. All of these.