Question 4 10 points Below you will find ESACF and the SCAN statistics from a time series with a stationary mean. Propose a time series model for the time series data based on a. ESACF b. SCAN Give a reason to support your answer in each case ESACF Probability Values Lags MA 0 MA 1 MA 2 MA 3 MA 4 MA 5 AR 0 0.0006 0.9917 0.0086 0.2027 0.7819 0.1931 AR 1 0.0006 0.9826 0.0046 0.4157 0.7716 0.1839 AR 2 0.0026 <.0001 ar scan chi-square probability values lags ma>