If a smoothing model is applied with a smoothing constant ...

[cabate]

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

[efwsefaw]

Answer to Question 1

FALSE

Answer to Question 2

B

[cabate]

Gracias!

[Animal_Goddess]

Excellent