Formulation and Testing of Hypothesis - Research Methodology - page 177

Table A.7 Table of critical values of simple and partial correlation coefficients

Two-sided
5%

d.f 1% 0.1%

1 .969 .988 .988

2 .960 .900 .900

3 .878 .959 .911

4 .811 .917 .974

5 .754 .875 .951

6 .707 .834 .925

7 .606 .798 .898

8 .632 .765 .872

9 .602 .735 .847

10 .576 .708 .823

11 .553 .684 .801

12 532 .661 .780

13 .514 .041 .760

14 .497 .623 .742

15 .482 .606 .725

16 468 .590 .708

17 .456 .575 .093

18 .444 .561 .679

19 .433 .549 .065

20 .423 .537 .652

21 .413 .526 .640

22 .404 .615 .629

23 .396 .505 .618

24 .388 .496 .607

25 .381 .487 .697

26 .374 .478 .588

27 .367 .470 .578

28 .361 .463 .570

29 .355 .456 .562

30 .349 .449 .654

40 .304 .393 .490

50 .273 .354 .443

60 .250 .325 .408

70 .232 .302 .380

80 .117 .283 .357

100 .196 .254 .321

160 .159 .208 .263

200 .138 .181 .230

260 .124 .162 .206

300 .113 .146 .188