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

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