22.50 5 
18.75 
15.00 
11.25 
7.50 
3.75 
0.00 
0.00 0.06 0.12 0.19 0.25 0.31 0.37 0.44 0.50 
Fig. 5.43d. Estimated by AR model fitting, AR(15). 
Fig. 5.43. (Continued) 
179 
