Question: Input the following data into Excel. Regression Homework Q2 data Excel file Assume we have the following time series data on variable Y below: YEAR/TimeY=Output

Input the following data into Excel.

Regression Homework Q2 data Excel file

Assume we have the following time series data on variable Y below:

YEAR/TimeY=Output

1953482

1954312

19551221

19561800

19572419

19582958

19593454

19603897

19614317

19624705

19635056

19645378

19655681

19665964

19676216

19686425

19696632

19706836

19717003

19727170

19737315

19747456

19757595

19767715

19777815

19787918

19797995

19808079

19818164

19828239

19838292

19848355

19858402

19868461

19878493

19888539

19898561

19908609

19918649

19928660

19938680

19948726

19958740

19968760

19978783

19988805

19998812

20008854

20018841

20028869

20038893

20048883

20058888

20068904

20078913

20088913

20098923

20108948

20118962

a)Fit a simple trend model to the time series data and discuss the findings.

b)Fit a quadratic trend model to the time series and discuss the findings: (square time).

c)Compare your results in part (b) to part (a) and use the best of the two models to forecast 2012 and 2013

values of Y.

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