Exhibit 18

question 4

Short Answer

Exhibit 18.8.Quarterly sales of a department store for the last 7 years are given in the following table. The Excel scatterplot shown above indicates that the quarterly sales have an increasing trend and seasonality.Therefore,the linear regression model,Sales = β₀ + β₁Qtr1 + β₂Qtr2 + β₃Qtr3 + β₄t + ε with three seasonal dummy variables Qtr1,Qtr2 and Qtr3,and the decomposition method are proposed to make sales forecasts.For the regression model,the following Excel partial output is available. Refer to Exhibit 18.8.Using the regression equation for the linear trend model with seasonal dummy variables,what is the sales forecast for the fourth quarter of Year 8?

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Europeans

People from the continent of Europe, which comprises a significant portion of the westernmost part of Eurasia.

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A new category established by the Immigration Act of 1924 that referred to immigrants crossing U.S. borders in excess of the new immigration quotas.

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