If a time-series plot indicates that the data do not appear to ...

[bucstennis@aim.com]

If a time-series plot indicates that the data do not appear to exhibit a trend, then a double exponential smoothing model would likely be the most appropriate to use rather than simple exponential smoothing model.
 
  Indicate whether the statement is true or false

Question 2

Which of the following is not an indication of potential multicollinearity problems?
 
  A) The sign on the standard error of the estimate is positive.
  B) A sign on a regression slope coefficient is negative when the sign on the correlation coefficient was positive.
  C) The standard error of the estimate increases when a variable enters the model in the presence of other independent variables.
  D) An independent variable goes from being statistically significant to being insignificant when a new variable is added to the model.

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Answer to Question 1

FALSE

Answer to Question 2

A

[bucstennis@aim.com]

Thank you

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No problemo