Research Article

CUPRAC Voltammetric Determination of Antioxidant Capacity in Tea Samples by Using Screen-Printed Microelectrodes

Table 5

t-test and F-test results of tea sample concentration values.

Test valueStatistical results

t-test
t = 0.0579642 is in the 95% critical value accepted
range: (−2.1009 to 2.1009)
is in the 95% accepted
range: (−3.0700 to 3.0700)

F-test
f = 0.982471 is in the 95% critical value accepted
range: (0.2484–4.0260)
SDG1/SDG2 = 0.99 is in the 95% accepted
range: (0.4980–2.0060)