A validated spectrofluorimetric method for the determination of nifuroxazide through coumarin formation using experimental design

Table 7 Statistical analysis of the results obtained by applying the proposed spectrofluorimetric method and the reference method

NF	Item	Spectrofluorimetry	Reference method [[19]]
Pure form	Mean	99.93	99.28
	SD	0.449	0.745
	RSD	0.449	0.750
	n	4	5
	Variance	0.201	0.555
	t-value	0.05 (2.365)*
	F-value	2.761 (9.12)*
Antinal® capsules	Mean	99.93	100.49
Antinal® capsules	SD	0.524	0.955
	RSD	0.524	0.950
	n	3	5
	Variance	0.275	0.912
	t-value	1.07 (2.447)*
	F-value	3.316 (19.25)*

* Figures in parentheses are the corresponding theoretical t -and F-values at p = 0.05.

ISSN: 2661-801X