How do you Find the value of the critical value of r using = 0.05. Include an explanation on how you found those values? my linear correlation coefficient r= 0.0231, Degrees of freedom (n-2) is 48, My sample space is 50 pairs of data:

MAG	DEPTH
0.70	7.2
0.74	2.2
0.64	13.9
0.39	15.5
0.70	3.0
2.20	2.4
1.98	14.4
0.64	5.7
1.22	6.1
0.20	9.1
1.64	17.2
1.32	8.7
2.95	9.3
0.90	12.3
1.76	7.4
1.01	7.0
1.26	17.1
0.00	8.8
0.65	6.0
1.46	19.1
1.62	12.7
1.83	4.7
0.99	8.6
1.56	6.0
0.40	14.6
1.28	4.9
0.83	19.1
1.34	9.9
0.54	16.1
1.25	4.6
0.92	4.9
1.00	16.1
0.79	14.0
0.79	4.2
1.44	5.9
1.00	5.4
2.24	15.6
2.50	7.7
1.79	15.4
1.25	16.4
1.49	4.9
0.84	8.1
1.42	7.5
1.00	14.1
1.25	11.1
1.42	16.0
1.35	5.5
0.93	7.3
0.40	3.1
1.39	6.0