1
MCQ (Single Correct Answer)

GATE ME 2003

The sale of cycles in a shop in four consecutive months are given as $$70, 68, 82 95.$$ Exponentially smoothing average method with a smoothing factor of $$0.4$$ is used in forecasting. The expected number of sales in the next month is
A
$$59$$
B
$$72$$
C
$$86$$
D
$$136$$
2
MCQ (Single Correct Answer)

GATE ME 2000

In a time series forecasting model, the demand for five time periods was $$10, 13,$$ $$15,$$ $$18$$ and $$22.$$ A linear regression fit resulted in an equation $$F = 6.9 + 2.9$$ $$t$$ where $$F$$ is the forecast for period $$t$$. The sum of absolute deviations for the five data is
A
$$2.2$$
B
$$0.2$$
C
$$-1.2$$
D
$$24.3$$
3
MCQ (Single Correct Answer)

GATE ME 1997

In a forecasting model, at the end of period $$13,$$ the forecasted value for period $$14$$ is $$75.$$ Actual value in the periods $$14$$ to $$16$$ are constant at $$100$$. if the assumed simple exponential smoothing parameter is $$0.5,$$ then the $$MSE$$ at the end of period $$16$$ is
A
$$820.31$$
B
$$273.44$$
C
$$43.75$$
D
$$14.58$$
4
MCQ (Single Correct Answer)

GATE ME 1989

Which of the following is a technique for forecasting?
A
Exponential smoothing
B
$$PERT/CPM$$
C
Gantt chart technique
D
Control charts

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