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Fashion and Textiles

International Journal of Interdisciplinary Research

Table 7 Analysis of variance and significance test

From: The effect of washing parameters on the quantity of dye discharge from clothes

Source

R: DDQ

Sum of squares

df

Mean square

\(F\) value

P-value

Prob > F

Significance

Model

3036.79

14

216.91

11.02

 < 0.0001

**

A

11.86

1

11.86

0.60

0.4498

 

B

20.70

1

20.70

1.05

0.3214

 

C

113.23

1

113.23

5.75

0.0299

*

D

1101.21

1

1101.21

55.93

 < 0.0001

**

AB

25.13

1

25.12

1.28

0.2764

 

AC

7.49

1

7.49

0.38

0.5465

 

AD

0.93

1

0.93

0.047

0.8312

 

BC

4.51

1

4.51

0.23

0.6393

 

BD

11.75

1

11.75

0.60

0.0420

 

CD

41.70

1

41.70

2.12

0.0062

 

A2

492.25

1

492.25

25.00

0.0002

*

B2

654.90

1

654.90

33.26

 < 0.0001

**

C2

814.35

1

814.36

41.36

 < 0.0001

**

D2

441.35

1

441.35

22.42

0.0003

*

Residual

295.33

15

19.69

   

Lack of fit

263.73

10

26.37

4.17

0.0641

 

Pure error

31.60

5

6.32

   

Cor total

3332.12

29

    
  1. P < 0.05 is significant, marked with *
  2. P > 0.05 is not significant, not marked; P < 0.001 is highly significant, marked with **
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