统计基础不太好，想要做如下数据的QQ图，在网上看到需要计算分位数，不知道我计算的对不对，然后依葫芦画瓢在SPSS中绘制了QQ图，求高手检验下是否正确~

窗口期	AARa,t	分位数
1	0.000295339	0.545192653
2	0.000309322	0.552746927
3	0.001673729	1.289860981
4	-0.000777542	-0.034426224
5	-0.001510593	-0.43045334
6	0.000454661	0.631265598
7	0.001100424	0.980135728
8	-0.000484322	0.123984622
9	-0.000816525	-0.055486626
10	-0.000719492	-0.003064539
11	-0.001937712	-0.661202087
12	-0.002053814	-0.723925457
13	-0.002198729	-0.802215211
14	-0.005765254	-2.729013033
15	-0.003915254	-1.72955963
16	0.004201695	2.655582236
17	0.001872458	1.397223245
18	-0.00184322	-0.610153505
19	-0.000101695	0.330697041
20	0.000936017	0.891315773
21	5.76271E-05	0.416769987
22	-0.001423305	-0.383296354
23	0.000277966	0.535807039
24	-0.000849153	-0.073113266
25	-0.001441949	-0.39336872
26	-1.18644E-05	0.379227532
27	-0.003558898	-1.53704009
28	-0.001051695	-0.182535787
29	-0.000564831	0.080490314
30	-0.000287712	0.230202299
31	-0.001994068	-0.691648103