. 2012 Jan 25;2(3):200–205. doi: 10.1016/j.jpha.2012.01.005

Table 4.

Statistical analysis of pure atorvastatin by the proposed spectrofluorimetric methods.

Items	Spectrofluorimetric method in acetate buffer (pH 3.4)	Spectrofluorimetric method using 5% acetic acid	Spectrofluorimetric method using methanol	Reported method [5]
Mean (%)	99.95	99.98	100.41	100.97
N	5.00	6.00	6.00	7.00
V	1.78	0.88	2.57	1.47
SD	1.33	0.94	1.60	1.21
R.S.D. (%)	0.60	0.38	0.65	0.45
F-test	1.23 (4.53)^a	1.63 (4.95)^a	1.77 (4.39)^a
Student's t-test	1.34 (2.228)^a	1.57 (2.179)^a	0.70 (2.179)^a

The figures in parenthesis are the corresponding tabulated values at p=0.05.