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AE-JE (ME) II Industrial Engineering Quiz-4
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Question 1
Which one of the following forecasting models best predicts the turning point?
Question 2
Consider the following statements:
Exponential smoothing
1). is a modification of moving average method
2). is a weighted average of past observations
3). assigns the highest weightage to the most recent observation
Which of these statements are correct?
Exponential smoothing
1). is a modification of moving average method
2). is a weighted average of past observations
3). assigns the highest weightage to the most recent observation
Which of these statements are correct?
Question 3
Demand and forecast for a product is tabulated below using exponential smoothening constant of 0.1 and 0.3. From the data given, calculate the magnitude of difference between the forecast of 5th week from the two constants.
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 judgmental forecasting method sometimes incorporate statistical analysis
3). In exponential smoothing, low values of smoothening constant, alpha result in more smoothing than higher values 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 judgmental forecasting method sometimes incorporate statistical analysis
3). In exponential smoothing, low values of smoothening constant, alpha result in more smoothing than higher values of alpha.
Which of these statements are correct?
Question 5
Which of the following is not the characteristic of exponential smoothing method of forecasting?
Question 6
Consider the following characteristics
1). It is very sensitive to small movements in the data.
2). The technique is simple.
3). The method is affected by the personal prejudice of the people.
Which of these characteristics of moving average method of forecasting are correct?
1). It is very sensitive to small movements in the data.
2). The technique is simple.
3). The method is affected by the personal prejudice of the people.
Which of these characteristics of moving average method of forecasting are correct?
Question 7
In an exponentially weighted moving average, the weight of the demand and past periods
Question 8
Forecasting which assumes a static environment in the future is:
Question 9
What is the value of tracking signal if the errors during a 6 week trial for a certain data are:
-20, 10, 15, 3, 7, 12?
Question 10
In exponential smoothning method of forecasting, the forecast for higher values of the smoothing constant
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