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Author Question: Which of the following forecasting methods puts the least weight on the most recent time series ... (Read 91 times)

tsand2

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on: Jun 24, 2018
Which of the following forecasting methods puts the least weight on the most recent time series value?
 a. exponential smoothing with  = .3
  b. exponential smoothing with  = .2
  c. moving average using the most recent 4 periods
  d. moving average using the most recent 3 periods

Question 2

Can a scatter diagram be used to explore the relationship between two nominal variables? Explain why or why not.


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peter

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

No; scatter diagrams plot points of X and Y when both variables are interval variables. You cannot talk about a nominal variable increasing or decreasing.


tsand2

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

mohan

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Reply 3 on: Yesterday
Gracias!

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