Сі × 104 %

Сnorm, %

А

Anorm

Criteria and eligibility

requirements

1

3.58

50.00

0.223

49.88

Equation of the line: Anorm =1.0044·Сnorm – 0.1871

Slope: b = 1.0044

The point of intersection with the axis of ordinates: a = –0.1871

The correlation coefficient: r = 0.99993

The correlation coefficient: r = 0.99993

2

5.01

69.97

0.315

70.47

3

6.44

89.94

0.402

89.93

4

7.16

100.00

0.447

100

5

7.88

110.06

0.496

110.96

6

9.31

130.03

0.580

129.75

7

10.74

150.00

0.674

150.78

The correlation coefficient: r = 0.99993

r >0.9968

Correct

The residual variance S2 = 0.2366

The residual standard deviation S0 = 0.4864

S0/b ≤ 0.9336

Correct

The confidence intervals constant a:

∆a = 1.5722

a = −0.1871

>|a|

≤1.536

Performed according to the criteria of statistical and practical

insignificance