Question: What might Jackson Tilson say about her forecasts? Trend Analysis Plot for Alomega Food Store Sales Decomposition Fit for Alomega Food Store Sales In Example

What might Jackson Tilson say about her forecasts?
Trend Analysis Plot for Alomega Food Store Sales

Decomposition Fit for Alomega Food Store Sales

In Example 1.1, Julie Ruth, Alomega Food Stores president, had collected data on her company's monthly sales along with several other variables she thought might be related to sales. Case 2-3 explained how Julie used her Minitab program to calculate a simple regression equation using the best predictor for monthly sales.

Trend Analysis Plot for Sales Linear Trend Model Yt 350840+1335"t 800000 700000 600000 500000 400000 300000 Variable -+-Actual _ Fita Accuracy Measures MAPE 2.0483E+0 MAD .92416E+04 MSD 1.5%10E+10 200000 100000 1 5 10 15 20 25 30 35 40 45 Time Multiplicative Decomposition Fit for Sales 800000 -n Variable Acua 700000 Trend Accuracy Measures MAPE MAD 600000 12 47604 MSD 52987 13273 500000 400000 300000 200000 10000D i 5 10 15 20 25 30 35 40 45 Time

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