Consider the following to answer the question(s) below:
The quarterly sales of all types of bicycles sold at a small sporting goods store in Charlottetown for the 16 quarters from January 2012 to December 2015 are depicted in the time series graph below.
-Which of the following statements do not describe this data and model?
A) The seasonal component is the most dominant.
B) All of the coefficients are significant for α = 0.05.
C) The model is additive.
D) The regression model has both trend and seasonal components.
E) The regression model has no dummy variables.

Question

Consider the following to answer the question(s) below:
The quarterly sales of all types of bicycles sold at a small sporting goods store in Charlottetown for the 16 quarters from January 2012 to December 2015 are depicted in the time series graph below.  
-Which of the following statements do not describe this data and model?
A) The seasonal component is the most dominant. 
B) All of the coefficients are significant for α = 0.05. 
C) The model is additive. 
D) The regression model has both trend and seasonal components. 
E) The regression model has no dummy variables.

Quizplus · Accepted Answer

The regression model has dummy variables.

Consider the Following to Answer the Question(s) Below