Holt (or Two-Factor) Exponential Smoothing was run on ten periods of variable Y. Assume a = 0.50 and ß = 0.90. The Megastat, output is provided below: Two-factor Exponential Smoothing 1 2 3 4 5 6 7 8 9 10 MZM 463 459 462 473 483 499 508 518 528 541 Alpha .50 Smoothed 464 465 463 461 467 477 493 508 521 531 541 Beta .90 Trend Forecast 3 1 -2 4 10 15 15 13 10 10 467 466 461 460 471 487 508 523 534 541 551 Using this, what is the forecast of Y when t = 11? Report a whole number as your answer. % error -0.8 -1.6 0.3 2.7 2.5 2.4 0.1 -1.0 -1.1 -0.2
Holt (or Two-Factor) Exponential Smoothing was run on ten periods of variable Y. Assume a = 0.50 and ß = 0.90. The Megastat, output is provided below: Two-factor Exponential Smoothing 1 2 3 4 5 6 7 8 9 10 MZM 463 459 462 473 483 499 508 518 528 541 Alpha .50 Smoothed 464 465 463 461 467 477 493 508 521 531 541 Beta .90 Trend Forecast 3 1 -2 4 10 15 15 13 10 10 467 466 461 460 471 487 508 523 534 541 551 Using this, what is the forecast of Y when t = 11? Report a whole number as your answer. % error -0.8 -1.6 0.3 2.7 2.5 2.4 0.1 -1.0 -1.1 -0.2
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Related questions
Question

Transcribed Image Text:Holt (or Two-Factor) Exponential Smoothing was run on ten periods of
variable Y. Assume a = 0.50 and ß = 0.90. The Megastat output is
provided below:
Two-factor Exponential Smoothing
1
2
3
4
5
6
7
8
9
10
MZM
463
459
462
473
483
499
508
518
528
541
Alpha
.50
Smoothed
464
465
463
461
467
477
493
508
521
531
541
Beta
.90
Trend Forecast
3*
1
-2
-1
4
10
15
15
13
10
10
467
466
461
460
471
487
508
523
534
541
551
Using this, what is the forecast of Y when t = 11? Report a whole
number as your answer.
% error
-0.8
-1.6
0.3
2.7
2.5
2.4
0.1
-1.0
-1.1
-0.2
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