Question: Home Insert Page Layout Formulas Data Review View Help Calibri 11 AA Wrap Text General 10 100 ste E Merge & Center v $ -

Home Insert Page Layout Formulas Data Review View Help Calibri 11 AA Wrap Text General 10 100 ste E Merge & Center v $ - %) 08 pboard Font Alignment Number 31 v fx E F . B D Consider the time series on the right. G Year 1 H Quarter 1 Sales 6 2 15 10 a. Visualize this time series. Is it stationary or non-stationary? Explain. 2 pts. 3 10 4 4 2 1 10 2 18 b. Derive the trend function and state it. Use the model to forecast sales for year 6 quarters 1 and 2. Find the Rsquare and explain its meaning. 4 pts. 3 15 4 7 3 1 14 2 26 3 23 c. Derive the trend adjusted seasonal forecast model and state it. Use the model forecast sales for year 6 quarters 1 and 2. Find the Rsquare and explain its meaning. 4 pts. 4 12 4 1 19 2 28 3 25 4 18 5 1 22 2 34 Home Insert Page Layout Formulas Data Review View Help Calibri 11 AA Wrap Text General 10 100 ste E Merge & Center v $ - %) 08 pboard Font Alignment Number 31 v fx E F . B D Consider the time series on the right. G Year 1 H Quarter 1 Sales 6 2 15 10 a. Visualize this time series. Is it stationary or non-stationary? Explain. 2 pts. 3 10 4 4 2 1 10 2 18 b. Derive the trend function and state it. Use the model to forecast sales for year 6 quarters 1 and 2. Find the Rsquare and explain its meaning. 4 pts. 3 15 4 7 3 1 14 2 26 3 23 c. Derive the trend adjusted seasonal forecast model and state it. Use the model forecast sales for year 6 quarters 1 and 2. Find the Rsquare and explain its meaning. 4 pts. 4 12 4 1 19 2 28 3 25 4 18 5 1 22 2 34

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