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