The model x_t = ₁x_{t -} ₁+ e_t, t =1,2,…. , where e_t is an i.i.d. sequence with zero mean and variance ²e represents a(n): A)moving average process of order one. B)moving average process of order two. C) autoregressive process of order one. D) autoregressive process of order two.

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The model x_t = 11eab06d_2555_43b6_beed_cd86112acc23_TB2133_11 ₁x_{t -}₁+ e_t, t =1,2,…. , where e_t is an i.i.d. sequence with zero mean and variance 11eab06d_2555_6ac7_beed_9b6118e65d09_TB2133_11 ²_e, represents an autoregressive process of order one.

The Model Xt = 1xt - 1 + Et

The Model X_t = ₁x_{t -} ₁+ E_t