Check my workCheck My Work button is now disabled Item 15 Item 15 2 points Item Skipped Daily Spot Exchange Rate, U.S. Dollars per Pound Sterling Date Rate Date Rate Date Rate 1-Apr-04 1.8564 13-Apr-04 1.8160 23-Apr-04 1.7674 2-Apr-04 1.8293 14-Apr-04 1.7902 26-Apr-04 1.7857 5-Apr-04 1.8140 15-Apr-04 1.7785 27-Apr-04 1.7925 6-Apr-04 1.8374 16-Apr-04 1.8004 28-Apr-04 1.7720 7-Apr-04 1.8410 19-Apr-04 1.8055 29-Apr-04 1.7751 8-Apr-04 1.8325 20-Apr-04 1.7914 30-Apr-04 1.7744 9-Apr-04 1.8322 21-Apr-04 1.7720 3-May-04 1.7720 12-Apr-04 1.8358 22-Apr-04 1.7684 4-May-04 1.7907 5-May-04 1.7932 13-May-04 1.7584 21-May-04 1.7880 6-May-04 1.7941 14-May-04 1.7572 24-May-04 1.7908 7-May-04 1.7842 17-May-04 1.7695 25-May-04 1.8135 10-May-04 1.7723 18-May-04 1.7695 26-May-04 1.8142 11-May-04 1.7544 19-May-04 1.7827 27-May-04 1.8369 12-May-04 1.7743 20-May-04 1.7710 28-May-04 1.8330 Click here for the Excel Data File (b) Perform simple exponential smoothing (using Excel’s Data Analysis or other software such as Minitab) using α = .05, .10, .20, and .50. The degree of smoothing (Click to select) varies does not vary dramatically as α is increased. (c) Which value of α do you prefer? (Round your answers to 2 decimal places.) α = (d) Is exponential smoothing appropriate for this kind of data? (Click to select) Yes No

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Item 15

Item 15 2 points Item Skipped

Daily Spot Exchange Rate, U.S. Dollars per Pound Sterling
Date	Rate		Date	Rate	Date		Rate
1-Apr-04		1.8564		13-Apr-04		1.8160		23-Apr-04	1.7674
2-Apr-04		1.8293		14-Apr-04		1.7902		26-Apr-04	1.7857
5-Apr-04		1.8140		15-Apr-04		1.7785		27-Apr-04	1.7925
6-Apr-04		1.8374		16-Apr-04		1.8004		28-Apr-04	1.7720
7-Apr-04		1.8410		19-Apr-04		1.8055		29-Apr-04	1.7751
8-Apr-04		1.8325		20-Apr-04		1.7914		30-Apr-04	1.7744
9-Apr-04		1.8322		21-Apr-04		1.7720		3-May-04	1.7720
12-Apr-04		1.8358		22-Apr-04		1.7684		4-May-04	1.7907
5-May-04		1.7932		13-May-04		1.7584		21-May-04	1.7880
6-May-04		1.7941		14-May-04		1.7572		24-May-04	1.7908
7-May-04		1.7842		17-May-04		1.7695		25-May-04	1.8135
10-May-04		1.7723		18-May-04		1.7695		26-May-04	1.8142
11-May-04		1.7544		19-May-04		1.7827		27-May-04	1.8369
12-May-04		1.7743		20-May-04		1.7710		28-May-04	1.8330

Click here for the Excel Data File

(b) Perform simple exponential smoothing (using Excel’s Data Analysis or other software such as Minitab) using α = .05, .10, .20, and .50.

The degree of smoothing (Click to select) varies does not vary dramatically as α is increased.

(c) Which value of α do you prefer? (Round your answers to 2 decimal places.)

α =

(d) Is exponential smoothing appropriate for this kind of data?

(Click to select) Yes No

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