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Author Question: The probability of being chosen in a simple random sample of size n from a population of size N is: ... (Read 130 times)

jilianpiloj

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on: Jun 24, 2018
The probability of being chosen in a simple random sample of size n from a population of size N is:
 a. 1/N b. N  1/n
  c. N/n d. n/N

Question 2

Which summary measure for forecast errors does not depend on the units of the forecast variable?
 a. MAE (mean absolute error)
  b. MFE (mean forecast error)
  c. RMSE (root mean square error)
  d. MAPE (mean absolute percentage error)


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ktidd

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

d

Answer to Question 2

d


jilianpiloj

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Reply 2 on: Jun 24, 2018
Excellent

recede

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Reply 3 on: Yesterday
Wow, this really help

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