Cause of Variation

Sum of Squares (SS)

Degrees of Freedom (df)

Mean Square (MS)

Test Statistic (F)

P-Value

Critical F-Value

Sample

1.12

1

1.12

0.0498

0.8237

3.8833

Columns (Electrodes)

2448.41

15

163.23

7.2302

<0.0001

1.7112

Interaction

1790.20

15

119.35

5.2865

<0.0001

1.7112

Error

5057.01

224

22.58

Total

9296.75

255