Question: 1. Suppose where Yt,teZ, { xt,t e Z}, {Yt,t e Z} are covariance stationary processes. Then, {Zt,te Z} is a covariance stationary process.

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Suppose where Yt,teZ, { xt,t e Z}, {Yt,t e Z} are covariance

Suppose where Yt,teZ, { xt,t e Z}, {Yt,t e Z} are covariance stationary processes. Then, {Zt,te Z} is a covariance stationary process.

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