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Author Question: The Wilcoxon signed rank test is used for testing hypotheses about a population median if the data ... (Read 122 times)

kamilo84

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on: Jun 24, 2018
The Wilcoxon signed rank test is used for testing hypotheses about a population median if the data are at nominal level.
 
  Indicate whether the statement is true or false

Question 2

In analyzing a forecast model, what is the main advantage of using the MAD instead of the MSE?
 
  What will be an ideal response?


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bookworm410

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

FALSE

Answer to Question 2

The MAD stands for mean absolute deviation. Its advantage is that the resulting value is in the same units as the time-series data. That is, if the time-series is in dollars, the MAD value is in dollars. The MSE stands for mean square error and is computed by averaging the squared errors. The resulting value is in squared units rather than the original units.


kamilo84

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

parshano

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Reply 3 on: Yesterday
Wow, this really help

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