Question: For each of the models (1) (1 ????)???????? = (1 0.5????)???????? (2) (1 ????)???????? = (1 0.2????)???????? (3) (1 0.5????)(1

For each of the models

(1) (1 − ????)???????? = (1 − 0.5????)????????

(2) (1 − ????)???????? = (1 − 0.2????)????????

(3) (1 − 0.5????)(1 − ????)???????? = ????????

(4) (1 − 0.2????)(1 − ????)???????? = ????????

(5) (1 − 0.2????)(1 − ????)???????? = (1 − 0.5????)????????

(a) Obtain the first seven ???????? weights.

(b) Obtain the first seven ???????? weights.

(c) Classify as a member of the class of ARIMA(p,

d, q) processes.

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