A time series dataset consists of 100 observations x,x,. X,g0. The following summary statistics have been made derived for this data: 100 100 -1000 Σα - -230Σ-Xε-) - 50:Σ - T-)= -250 a) Calculate the sample autocorrelation functions at lags 1 and 2.

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A time series dataset consists of 100 observations x, x,., j09. The following summary
statistics have been made derived for this data:
100
100
100
E*, = 1,000; (x, - x) = 280;(x, -F)(x-X) = 50:E(-(*-)=-250.
a) Calculate the sample autocorrelation functions at lags 1 and 2.
Transcribed Image Text:A time series dataset consists of 100 observations x, x,., j09. The following summary statistics have been made derived for this data: 100 100 100 E*, = 1,000; (x, - x) = 280;(x, -F)(x-X) = 50:E(-(*-)=-250. a) Calculate the sample autocorrelation functions at lags 1 and 2.
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