Development and Validation of UV-Visible Spectrophotometric Baseline Manipulation Method for Simultaneous Quantitation of Tenofovir Disoproxil Fumarate and Emtricitabine in Pharmaceutical Dosage Form

Table 3

Intraday precision study for TE.

Analysts	Time
	𝑇1	𝑇2	𝑇3
Analyst 1	99.5	100.3	99.34
Analyst 1	100.2	100.4	99.54
Analyst 1	101.1	101.1	100.4
Analyst 2	99.21	99.54	101.3
Source of variation	Sum of square	Degree of freedom	Mean of square
Between time	120086.5	2	60043.27
Between time and analyst	120088.5	3	40029.5
Residual	−120083	6	−20013.8
Total	120092.3	11	—