1. As compared to long-range forecasts, short-range forecasts:

   		are less accurate.
   		are the same with other ranges.
   		none of the options are correct.
   		all options are correct.
   		are more accurate.

1. Better is the focus of differentiation strategy.

   True

   False

1. Key success factors are the guarantee of competitive advantage.

   True

   False

1. Decision tree gives you the expected value of each possible option.

   True

   False

1. Forecasts of individual products tend to be more accurate than forecasts of aggregated products.

   True

   False

Which of the following is not one of the major components of a time series?

		random variations
		cycles
		Ed
		trend
		seasonality