Chủ nhật, 24/11/2024
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Câu hỏi:

02/11/2024 6

Consider a series that follows an MA(1) with zero mean and a moving average coefficient of 0.4. What is the value of the autocorrelation function at lag 1?

A. 0.4

B. 0.34

Đáp án chính xác

C. 1

D. It is not possible to determine the value of the autocovariances without knowing the disturbance variance

Trả lời:

verified Giải bởi Vietjack

Chọn đáp án: B

Câu trả lời này có hữu ích không?

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