EC (Ms/cm) from test (O)

EC (Ms/cm) from equation E

(O_j − E_j)²/E_j

1310

1332.8

0.3900

1120

1135.5

0.2116

1126

1100.3

0.6003

1077

1075.7

0.0016

1036

1048.4

0.1467

1002

1046.7

1.9089