Appliance Center sells a variety of electronic equipment and home appliances. Fo

Question

Appliance Center sells a variety of electronic equipment and home appliances. For the last 4 years, 2010 through 2013, the following quarterly sales (in $ millions) were reported.

Use the seasonal indexes you computed to determine the deseasonalized sales. Determine the linear trend equation based on the quarterly data for the 4 years. Forecast the seasonally adjusted sales for 2014. (Negative answers should be indicated by minus sign. Round your answers to 3 decimal places.)

Appliance Center sells a variety of electronic equipment and home appliances. For the last 4 years, 2010 through 2013, the following quarterly sales (in $ millions) were reported.

Explanation / Answer

y^ = 5.638654259 - 0.033032953 * t

b)

Fitted

4.977995199

Forecast

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SUMMARY OUTPUT Regression Statistics Multiple R 0.282232796 R Square 0.079655351 Adjusted R Square 0.013916448 Standard Error 0.553338139 Observations 16 ANOVA df SS MS F Significance F Regression 1 0.371 0.371 1.211693 0.289564 Residual 14 4.286563 0.306183 Total 15 4.657563 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 5.638654259 0.290173 19.43205 1.59E-11 5.016295 6.261013 t -0.033032953 0.030009 -1.10077 0.289564 -0.0974 0.03133

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