Cause of Variation

Sum of Squares (SS)

Degrees of Freedom (df)

Mean Square (MS)

Test Statistic (F)

P-Value

Critical F-Value

Sample

1000.65

1

1000.65

16.2399

<0.0001

3.8833

Columns (Electrodes)

1095.55

15

73.04

1.1853

0.2843

1.7112

Interaction

1199.42

15

79.96

1.2977

0.2048

1.7112

Error

13802.13

224

61.62

Total

17097.75

255