Question: Question 19 2 pts Consider the time series plot below (left), and its ACF plot below (right). How many of the statements below are correct?

Question 19 2 pts Consider the time series plot below (left), and its ACF plot below (right). How many of the statements below are correct? 1. The mean and variance of the time series are constant. 2. The time series is weakly stationary. 3. The time series has non-stationary noise. 4. The time series has seasonality component. 10000 20000 100 200 400 01 03 O0 02

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