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Author Question: If a smoothing model is applied with a smoothing constant exceeding 0.50, the forecasting bias will ... (Read 136 times)

cabate

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If a smoothing model is applied with a smoothing constant exceeding 0.50, the forecasting bias will tend to be positive in most cases.
 
  Indicate whether the statement is true or false

Question 2

A recent study of 15 shoppers showed that the correlation between the time spent in the store and the dollars spent was 0.235.
 
  Using a significance level equal to 0.05, which of the following is the appropriate null hypothesis to test whether the population correlation is zero?
  A) H0 : r = 0.0
  B) H0 :  = 0.0
  C) H0 :  = 0.0
  D) H0 :   0



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efwsefaw

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Answer to Question 1

FALSE

Answer to Question 2

B




cabate

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Reply 2 on: Jun 24, 2018
Gracias!


bitingbit

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Reply 3 on: Yesterday
:D TYSM

 

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