calcium	treatment	sex	group
1	16.3	nohorm	female	1
2	20.4	nohorm	female	1
3	12.4	nohorm	female	1
4	15.8	nohorm	female	1
5	9.5	nohorm	female	1
6	15.3	nohorm	male	2
7	17.4	nohorm	male	2
8	10.9	nohorm	male	2
9	10.3	nohorm	male	2
10	6.7	nohorm	male	2
11	38.1	horm	female	3
12	26.2	horm	female	3
13	32.3	horm	female	3
14	35.8	horm	female	3
15	30.2	horm	female	3
16	34	horm	male	4
17	22.8	horm	male	4
18	27.8	horm	male	4
19	25	horm	male	4
20	29.3	horm	male	4