Log	Solvent.1	Solvent.2	Difference	Signed.rank
1	3.92	4.25	-.33	-4
2	3.79	4.2	-.41	-5
3	3.7	4.41	-.71	-8
4	4.08	3.89	.19	2
5	3.87	4.39	-.52	-6
6	3.95	3.75	.2	3
7	3.55	4.2	-.65	-7
8	3.76	3.9	-1.4	-1