3 (25 pts)A study wants to test a new medicine to see whether it reduces blood pressure. The following table shows the systolic blood pressure (mmHg) for a sample of 30 patients before and after taking the medicine.

Patient ID No.	Before	After		Patient ID No.	Before	After
1	135	132		16	139	137
2	140	139		17	150	149
3	145	140		18	145	146
4	144	145		19	141	140
5	150	146		20	154	155
6	139	136		21	160	156
7	155	151		22	145	145
8	140	140		23	149	150
9	150	149		24	144	144
10	145	144		25	150	149
11	146	149		26	146	140
12	140	140		27	150	151
13	150	150		28	135	136
14	135	139		29	140	140
15	149	149		30	145	146

Use SPSS to do the following:

(a) Find the sample means and sample standard deviations before and after taking the medicine.

(b) At