Сi, mkg/ml

Сnorm,%

A

Anorm

Criteria and eligibility

requirements

1

3.75

50

0.228

49.9

Equation of the line: Anorm=0.078=Сnorm– 0.156

Slope: b = 0.078, The point of intersection with the axis of ordinates: a = – 0.156, The correlation coefficient: r = 0.9999

The correlation coefficient: r = 0.9999

2

4.50

60

0.275

60.2

3

5.63

75

0.340

74.4

4

6.75

90

0.411

89.9

5

7.50

100

0.457

100.0

6

8.63

115

0.526

115.1

7

9.38

125

0.572

125.2

8

10.50

140

0.637

139.4

9

11.25

150

0.687

150.3

The correlation coefficient: r = 0.9999

r = 0.99974

Correct

The residual varianceS2 = 0.1329

The residual standard deviation S0 = 0.3903

S0/b 1.267

Correct

The confidence intervals constant a:

∆a = 0.9229

a = −0.1773

a = −0.1773

1.536

Performed according to the criteria of statistical and practical insignificance