Source

Type III Sum of Squares

Df

Mean Square

F

Sig.

Corrected Model

1.432^a

9

0.159

2.452

0.021

Intercept

5.036

1

5.036

77.625

0.000

Porcelain

0.108

1

0.108

1.668

0.202

Acidic Agents

0.718

4

0.179

2.765

0.037

Porcelain*Acidic Agents

0.606

4

0.151

2.335

0.068

Error

3.244

50

0.065

Total

9.711

60

Corrected Total

4.675

59