Consider the following set of quarterly sales data given in thousands of dollars. Write an appropriate dummy variable model that incorporates a linear trend and constant seasonal variation.

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Consider the following set of quarterly sales data given in thousands of dollars.  Write an appropriate dummy variable model that incorporates a linear trend and constant seasonal variation.

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The Answer of Consider the following set of quarterly sales data given in thousands of dollars.  Write an appropriate dummy variable model that incorporates a linear trend and constant seasonal variation.

Consider the Following Set of Quarterly Sales Data Given in Thousands