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Recall that a time series {εt} is called a white noise process if i. E[εt] =...

Recall that a time series {εt} is called a white noise process if

i. E[εt] = 0 t ;

ii. Cov(εs, εt) = 0 s ≠ t ;

iii. Var(εt) = σ2 < ∞

Construct the autocorrelation function f(h), h=0,-+1,-+2,… for the white noise process.

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