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Table 4 Statistical analysis for the obtained results from the proposed methods and the reference method

From: Stability-indicating spectrophotometric manipulations for the determination of Letrozole in the presence of its alkali-induced degradation products; towards whiteness and ChlorTox scale perspectives

Statistical Term

D2

RD

DD1

Reference method a

Mean %

99.79

100.75

100.54

100.17

SDb

1.172

1.152

1.089

0.789

n

8

8

8

8

Variance

1.373

1.327

1.187

0.623

Student’s t-test (2.145)c

0.761

1.175

0.778

-

F-test (3.787)c

2.203

2.128

1.904

-

  1. a Reported spectrophotometric method
  2. b Standard Deviation
  3. c Values in parentheses are the critical t- and F-values at P = 0.05
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BMC Chemistry

ISSN: 2661-801X

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