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GATE 2019: Industrial Engineering Quiz 5 (App update required to attempt this test)
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Question 1
Which of the following are not the characteristics of exponential smoothing method of forecasting?
Question 2
What would be the difference in the forecasts if the coefficient of smoothing are 0.3 & 0.5? The forecast for month 3 were 179.5 and 188.3 respectively.
Question 3
If the sale of television sets varies with the amount spent on advertising. The data for quarterly sales of TV sets is given. Determine the forecast for the seventh quarter ? 
Question 4
Consider the following statements relating to forecasting.
1) The time horizon to forecast depends upon where the product currently lies in its life cycle.
2) Opinion and Judgemental forecasting method sometimes incorporate statistical analysis.
3) In exponential smoothing, low values of smoothing constant, alpha result in more smoothing than higher value of alpha.
Which of these statements are correct?
1) The time horizon to forecast depends upon where the product currently lies in its life cycle.
2) Opinion and Judgemental forecasting method sometimes incorporate statistical analysis.
3) In exponential smoothing, low values of smoothing constant, alpha result in more smoothing than higher value of alpha.
Which of these statements are correct?
Question 5
The sale of calculator in a shop in four consecutive month are given as 75, 64, 89, 98. Exponentially smoothing average method with a smoothing factor of 0.4 is used in forecasting. The expected number of sales in the next month _________.
Question 6
A company uses a 5 months moving average technique to forecast sales. The new forecast for June in thousand is (Use the following data)
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