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A Company's Annual Sales Are Shown Below in Thousands of Dollars

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A company's annual sales are shown below in thousands of dollars for a period of 10 years. A company's annual sales are shown below in thousands of dollars for a period of 10 years. Plot the time series; find the linear regression model, and also the forecast value and error for each of the years. Also discuss whether you think a linear model appears to be appropriate. Plot the time series; find the linear regression model, and also the forecast value and error for each of the years. Also discuss whether you think a linear model appears to be appropriate.

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