Question 6 (1 point) The lag-2 autocorrelation of a covariance stationary time series is always larger than the lag-3 autocorrelation. True O False Question 7 (1 point) The lag-1 partial autocorrelation and the lag-1 autocorrelation are always equal for a covariance stationary time series. True O FalseQuestion 4 (1 point) The lag-h partial autocorrelation of a covariance stationary time series goes to zero as h tends to infinity. O True O False