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GATE 2023 II Forecasting II Quiz 56
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Question 1
Which of the following is the correct regarding the Naive approach of forecasting __________.
Question 2
For an exponential smoothing method of forecasting, the value of number of periods is 12, Find the exponential smoothing coefficient α for such a forecasting model.
Question 3
Which one of the following methods does not come under short term forecasting?
Question 4
Consider the following statements regarding the forecasting:
1. Forecast for groups of items tend to be more accurate than forecasts for individual items.
2. Forecast accuracy decreases as the time horizon increases.
Which of the following statements is/are correct __________?
Question 5
Consider a simple linear regression model: y = βo +β1X + ϵ:
1. βo is the linear regression coefficient and is termed as intercept term.
2. β1 is termed as slope term.
3. Component ϵ accounts for the failure of data to lie on the straight line and represents the difference between the true and observed realization of y.
Which of the following statements is/are correct __________?
Question 6
Expression of forecast of a month, when forecast & demand of the previous month is given
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