CRITICALVALUESOFTHE

PEARSON

(Cont'd)

Level of significance for one-tailedtest

df
(= N-2;N= number of pairs)

.05

.025

.01

.005

Level of significance for two-tailed test

.10

.05

.02

.542 .528 .516 .503 .492

.482 .472 .462 .453 .445

.437 .430 .423 .416 .409

.01

.590 .575 .561 .549 .537

.526 .515 .505 .496 .487

.479 .471 .463 .456 .449

16 17 18 19 20

21 22 23 24 25

26 27 28 29 30

.400 .389 .378 .369 .360

.352 .344 .337 .330 .323

.317 .311 .306 .301 .296

.468 .456 .444 .433 .423

.413 .404 .396 .388 .381

.374 .367 .361 .355 .349