Consider the Following to Answer the Question(s) Below

question 1

Multiple Choice

Consider the following to answer the question(s) below:
Quarterly sales data (in $10,000) for a small company specializing in green cleaning products are shown in the time series graph below. A seasonal regression model was fit to these data and the results are shown below.
-Which of the following is (are) true?

• A) The seasonal regression model is significant in explaining sales as indicated by the F-statistic and associated P-value.
• B) The seasonal regression model explains 79.3% of the variation in sales.
• C) The t-statistics and associated P-values indicate that all dummy variables representing quarters are significant.
• D) The seasonal regression model is significant in explaining sales as indicated by the F-statistic and associated P-value and the seasonal regression model explains 79.3% of the variation in sales.
• E) All of the statements given here are true.

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Definitions:

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