(b) Perform simple exponential smoothing (using Excel's Data Analysis or other software such as Minitab) using...
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(b) Perform simple exponential smoothing (using Excel's Data Analysis or other software such as Minitab) using a = .05. 10. .20, and .50. The degree of smoothing varies dramatically as a is increased. (e) Which value of a do you prefer? (Round your answers to 2 decimal places.) (d) Is exponential smoothing appropriate for this kind of data? Yes Daily Spot Exchange Rate, U.S. Dollars per Pound Sterling Date 1-Apr-94 2-Apr-04 5-Apr-04 6-Apr-04 7-Apr-84 8-Apr-04 9-Apr-94 12-Apr-84 5-May-04 6-May-04 7-May-04 18-May-04 11-May-04 12-Мay-в4 Rate Rate 1.7874 Date Rote Date 1.8260 23-Apr-84 26-Apr-84 27-Apr-84 28-Apr-84 29-Арг-64 38-Apr-84 3-May-04 4-May-04 21-May-64 24-May-04 25-May-04 26-Мay-в4 27-May-04 28-May-04 1.8584 13-Apr-04 14-Apr-04 15-Apr-84 16-Apr-84 1.8363 1.7752 1.7785 1.8104 1.8155 1.7857 1.8140 1.7925 1.7720 1.8474 1.7656 1.7744 1.8418 19-Аpг-84 1.8525 20-Apr-04 21-Apr-84 22-Apr-84 13-May-84 14-May-04 17-May-84 18-May-04 19-May-84 20-May-84 1.7816 1.8422 1.8558 1.7620 1.7784 1.7720 1.7507 1.788e 1.7808 1.7732 1.7554 1.7641 1.7692 1.7595 1.7942 1.8535 1.7693 1.7695 1.8342 1.8869 1.7644 1.7727 1.7743 1.7610 1.8730 U.S. Manufactured General Aviation Shipments, 2009-2015 Year Qtr 1 Qtr 2 Qtr 3 Qtr 4 477 Total Year Qtr Planes 2009 310 408 390 1,585 2009 Qtr1 310 377 Qtr2 Qtr3 2010 243 281 433 1,334 408 2011 268 289 286 480 1,323 390 2012 305 358 339 514 1,516 Qtr4 477 2013 329 413 353 520 1,615 2010 Qtr1 243 2014 345 380 379 527 1,631 Qtr2 377 2015 296 374 378 544 1,592 Qtr3 281 Qtr4 433 2011 Qtr1 268 LearningStats Qtr2 289 Qtr3 Qtr4 286 Copyright © 2019 by The McGraw-Hill Companies 480 2012 Qtr1 305 Qtr2 358 This spreadsheet is intended solely for educational purposes by Qtr3 339 licensed users of Connect Qtr4 514 2013 Qtr1 329 Qtr2 413 Qtr3 353 Source: General Aviation Manufacturers Association (www.gama.aero). Quarterly shipments may not add to annual total because some manufacturers only report annual totals. Qtr4 520 2014 Qtr1 345 Qtr2 380 Qtr3 379 Qtr4 527 2015 Qtr1 296 374 378 Qtr2 Qtr3 Qtr4 544 (b) Perform simple exponential smoothing (using Excel's Data Analysis or other software such as Minitab) using a = .05. 10. .20, and .50. The degree of smoothing varies dramatically as a is increased. (e) Which value of a do you prefer? (Round your answers to 2 decimal places.) (d) Is exponential smoothing appropriate for this kind of data? Yes Daily Spot Exchange Rate, U.S. Dollars per Pound Sterling Date 1-Apr-94 2-Apr-04 5-Apr-04 6-Apr-04 7-Apr-84 8-Apr-04 9-Apr-94 12-Apr-84 5-May-04 6-May-04 7-May-04 18-May-04 11-May-04 12-Мay-в4 Rate Rate 1.7874 Date Rote Date 1.8260 23-Apr-84 26-Apr-84 27-Apr-84 28-Apr-84 29-Арг-64 38-Apr-84 3-May-04 4-May-04 21-May-64 24-May-04 25-May-04 26-Мay-в4 27-May-04 28-May-04 1.8584 13-Apr-04 14-Apr-04 15-Apr-84 16-Apr-84 1.8363 1.7752 1.7785 1.8104 1.8155 1.7857 1.8140 1.7925 1.7720 1.8474 1.7656 1.7744 1.8418 19-Аpг-84 1.8525 20-Apr-04 21-Apr-84 22-Apr-84 13-May-84 14-May-04 17-May-84 18-May-04 19-May-84 20-May-84 1.7816 1.8422 1.8558 1.7620 1.7784 1.7720 1.7507 1.788e 1.7808 1.7732 1.7554 1.7641 1.7692 1.7595 1.7942 1.8535 1.7693 1.7695 1.8342 1.8869 1.7644 1.7727 1.7743 1.7610 1.8730 U.S. Manufactured General Aviation Shipments, 2009-2015 Year Qtr 1 Qtr 2 Qtr 3 Qtr 4 477 Total Year Qtr Planes 2009 310 408 390 1,585 2009 Qtr1 310 377 Qtr2 Qtr3 2010 243 281 433 1,334 408 2011 268 289 286 480 1,323 390 2012 305 358 339 514 1,516 Qtr4 477 2013 329 413 353 520 1,615 2010 Qtr1 243 2014 345 380 379 527 1,631 Qtr2 377 2015 296 374 378 544 1,592 Qtr3 281 Qtr4 433 2011 Qtr1 268 LearningStats Qtr2 289 Qtr3 Qtr4 286 Copyright © 2019 by The McGraw-Hill Companies 480 2012 Qtr1 305 Qtr2 358 This spreadsheet is intended solely for educational purposes by Qtr3 339 licensed users of Connect Qtr4 514 2013 Qtr1 329 Qtr2 413 Qtr3 353 Source: General Aviation Manufacturers Association (www.gama.aero). Quarterly shipments may not add to annual total because some manufacturers only report annual totals. Qtr4 520 2014 Qtr1 345 Qtr2 380 Qtr3 379 Qtr4 527 2015 Qtr1 296 374 378 Qtr2 Qtr3 Qtr4 544
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Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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