Table 2.

AC, PAC and Q-stat results for heart attack series

Lag	AC	PAC	Q-Stat.	Prob.
1	0.034	0.034	0.9250	0.336
2	0.002	0.001	0.9298	0.628
3	− 0.004	− 0.004	0.9415	0.815
4	− 0.030	− 0.029	1.6504	0.800
5	− 0.041	− 0.039	3.0091	0.699
6	− 0.024	− 0.021	3.4722	0.748
7	0.006	0.007	3.5007	0.835
8	0.016	0.015	3.7093	0.882
9	0.016	0.012	3.9054	0.918
10	− 0.023	− 0.027	4.3391	0.931
11	0.041	0.042	5.7223	0.891
12	0.006	0.004	5.7505	0.928
13	− 0.030	− 0.029	6.5013	0.926
14	− 0.023	− 0.021	6.9458	0.937
15	0.026	0.029	7.4952	0.942
16	0.017	0.017	7.7295	0.957
17	0.058	0.058	10.482	0.882
18	0.024	0.017	10.966	0.896
19	0.022	0.018	11.353	0.911
20	− 0.014	− 0.015	11.524	0.931