Cause of Variation

Sum of Squares (SS)

Degrees of Freedom (df)

Mean Square (MS)

Test Statistic (F)

P-Value

Critical F-Value

Sample

575.74

1

575.74

9.0450

0.0029

3.8833

Columns (Electrodes)

3595.58

15

239.71

3.7658

<0.0001

1.7112

Interaction

676.73

15

45.12

0.7088

0.77456

1.7112

Error

14258.24

224

63.65

Total

19106.30

255