Which of the following methods should not be used for short-term forecasts into the future?

Which of the following methods should not be used for short-term forecasts into the future?
 
  A) Autoregressive modeling B) Exponential smoothing
  C) Moving averages D) Linear trend model

Q. 2

The method of moving averages is used
 
  A) to plot a series. B) in regression analysis.
  C) to exponentiate a series. D) to smooth a series.

Q. 3

True or False: A trend is a persistent pattern in annual time-series data that has to be followed for several years.
 
  Indicate whether the statement is true or false

Q. 4

The annual multiplicative time-series model does not possess ________ component.
 
  A) a trend B) a cyclical C) an irregular D) a seasonal

Q. 5

The fairly regular fluctuations that occur within each year would be contained in the ________ component.
 
  A) trend B) cyclical C) irregular D) seasonal