1
GATE ME 2009
+1
-0.3
Which of the following forecasting methods takes a fraction of forecast error into account for the next period forecast?
A
simple average method
B
moving average method
C
weighted moving average method
D
exponential smoothing method
2
GATE ME 2004
+1
-0.3
For a product, the forecast and the actual sales for December $$2002$$ were $$25$$ and $$20$$ respectively. If the exponential smoothing constant $$(\alpha )$$ is taken as $$0.2,$$ then forecast sales for January $$2003$$ would be
A
$$21$$
B
$$23$$
C
$$24$$
D
$$27$$
3
GATE ME 2002
+1
-0.3
A regression model is used to express a variable $$Y$$ as a function of another variable $$X.$$ this implies that
A
There is a causal relationship between $$Y$$ and $$X$$
B
A value of $$X$$ may be used to estimate a value of $$Y$$
C
Values of $$X$$ exactly determine values of $$Y$$
D
There is no causal relationship between $$Y$$ and $$X$$
4
GATE ME 2001
+1
-0.3
When using a simple moving average to forecast demand, one would
A
give equal weight to all demand data
B
assign more weight to the recent demand data
C
include new demand data in the average without discarding the earlier data
D
include new demand data in the average after discarding some of the earlier demand data
GATE ME Subjects
EXAM MAP
Medical
NEET