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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 111 times)

jilianpiloj

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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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Answer to Question 1

d

Answer to Question 2

d




jilianpiloj

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


frankwu0507

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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