====== example 1 ======

<code>Older Adults	Younger Adults
45	34
38	22
52	15
48	27
25	37
39	41
51	24
46	19
55	26
46	36
Mean =	Mean =
S =	S =
S2 =	S2 =
</code>

====== e.g. 2 ======
<code>Obs #	Salary	GPA	Months Work
1	20000	2.8	48
2	24500	3.4	24
3	23000	3.2	24
4	25000	3.8	24
5	20000	3.2	48
6	22500	3.4	36
7	27500	4	20
8	19000	2.6	48
9	24000	3.2	36
10	28500	3.8	12
</code>