D Question 3 1 pts Which of the following statements regarding ACF (Autocorrelation Function) and PACF (Partial Autocorrelation Function) is false? O The ACF graph of AR(1) starts with the value 1 at lag O, and converges to O eventually. O For an AR(4) model, the 4th lag PACF is 0. O The values of PACF can be used to identify the order of an autoregression model. O The ACF graph of AR(2) has no cut off