Table 4: Results of assay of tablets.

Tablet brand nameNominal amount, mgFound* (percent ± SD)
Reference methodProposed methodStudent’s t-value (2.77)F value (6.39)

Oleanz2.5101.4 ± 0.58100.7 ± 0.362.362.59
Oleanz7.598.36 ± 0.7298.84 ± 0.281.526.61
Olanex10.097.75 ± 0.8298.16 ± 0.520.972.49
15.0102.3 ± 0.42101.6 ± 0.642.092.32

Mean value of five determinations.
Figures in the parenthesis are the tabulated values for four degrees of freedom at 95% confidence level.