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. 2009 Nov 21;10(4):1381. doi: 10.1208/s12249-009-9341-z

Table III.

Point and Interval Hypothesis Tests: Applicability of the Present Method in Pharmaceutical Formulations and Its Comparison with the Reference Method at 95% Confidence Level

Pharmaceutical formulations Proposed method Reference method t and F valuesb θL c θU c
Capsule Recovery (%) RSDa (%) Recovery (%) RSDa (%)
Spectra-25 (Rexcin Pharma) 99.99 0.232 100.17 0.338 t = 0.983 0.993 1.003
F = 1.458
Doxetar-25 (Torrent Labs Pvt. Ltd) 99.99 0.236 100.17 0.338 t = 0.956 0.995 1.002
F = 1.432

aMean for five independent analyses

bTheoretical t (ν = 8) and F values (ν = 4, 4) at 95% confidence level are 2.306 and 6.39, respectively

cA bias, based on recovery experiments, of ±2% is acceptable