Consider the Following to Answer the Question(s) Below

question 9

Multiple Choice

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.

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Definitions:

Stock Variable

A measure of something at a particular point in time, such as the amount of money you have with you right now.

Periodic Variable

A variable that changes at regular intervals over time, often used in the analysis of time series data.

Measured

Evaluated or quantified in terms of extent, dimensions, quantity, or capacity.

Flow Variable

A variable that is measured over a specific period of time, such as income or expenditure, which may change from one period to the next.