Table 3.

Assay results for the determination of LEV and AMB in pure form

Compound	Proposed method			Comparison method (35)
	Amount taken (μg/mL)	Amount found (μg/mL)	% Found	% Found
LEV	1.0	0.9897	98.97	99.35
	2.0	2.0161	100.81	100.96
	12.0	11.8548	98.79	99.49
	24.0	24.0249	100.10
	28.0	28.1452	100.52
	36.0	36.0484	100.13
	44.0	43.8196	99.59
$\overline{\mathrm{X}}$ ± SD			99.84 ± 0.76	99.93 ± 0.89
t-test			0.16 (2.31)
F-test			1.37 (5.14)
AMB	1.0	1.0294	102.94	100.26
	4.0	3.9703	99.27	99.53
	12.0	11.9920	99.93	100.21
	16.0	16.0027	100.02
	20.0	20.0134	100.07
$\overline{\mathrm{X}}$ ± SD			100.45 ± 1.43	100.00 ± 0.41
t-test			0.51 (2.45)
F-test			12.31 (19.25)

N.B. Each result is the average of three separate determinations.

The figures between parentheses are the tabulated t and F values at P = 0.05 [38].